論文：
(1) Recent Trends in Sri Lankan Exports, The Journal of Economic Studies, Vol.
1, No. 1, June 1980, Sri Lanka (Shinhala), PP. 74-108
(2) 「独立後のスリランカ・日本貿易（１９５０ー８４年）」、『学会通信』、龍谷大学経済・経営学会、第１９号１９８６年１月, PP. 17-22、（単）、（日本語）
(3) 「スリランカにおける稲作技術の普及過程と農民参加」、『龍谷大学経済・経営論集』、第２６巻第３号、１９８６年１２月, PP. 81-99、（単）、（日本語）
(4) The Rural Economic Development Policy with Export Production Village in
Sri Lanka, The Journal of Economic and Business Studies of Ryukoku University,
Vol.27, No.1, June 1987, PP. 77-92、（単）、（英語）
(5) 「明治期における技術改良と稲作生産の発展」、『龍谷大学大学院研究紀要・社会科学』、No.２、１９８８年１２月，PP. 67-84、（単）、（日本語）
(6) 「農民参加と農業行政：明治期における技術普及過程をめぐって」、『龍谷大学経済・経営論集』第２８巻第２号１９８８年８月, PP. 95-107、（単）、（日本語）
(7) Experiences
of Agricultural Development in Sri Lanka: The Rural Sector in Context,
『賀大学経済論集』、第２２巻第３号、１９８９年９月, PP. 1-98、（単）、（日本語）
(8) Development of Green Tea Industry in Japan:
The Special Reference to Green Tea Production and Marketing in Uji Area, 『佐賀大学経済論集』、第２２巻５号１９９０年１月、PP. 119-167, （単）、（日本語）
(9) 「アジアの経済と日本」地域経済研究センター年報、佐賀大学経済学部１９９０年３月, PP. 1-10、（単）、（日本語）
(10)
Recent Arguments on Development Economics: With Special Reference to Developing
Economies of Asia, 『佐賀大学経済論集』第２４巻第３号１９９１年９月, PP.1-14, （単）、（英語）
(11) Economic and Rural Development in Developing Economies of Asia: An Overview
on Theories and Practices, The Journal of Economic and Business Studies
of Ryukoku University, Vol.31, No.3, December 1992, PP. 38-81、（単）、（英語）
(12) Alternative Rural Development Through Self-Reliance Approach, Economic
Review, Vol. 17, No.8 & 9, Nov/Dec. 1991, People's Bank, Colombo, Sri
Lanka, PP. 16-32、（単）、（英語・シンハラ語）
(13) Japanese Direct Investment in Asia: A Study
on Sri Lanka and Thailand, Economic Review, Colombo,
Sri Lanka, Vol.18, No. 10, January 1993, PP.10-31、（単）、（英語・シンハラ語）
(14) 「中国社会主義市場経済における海外直接投資の動向」、『地域経済研究センター年報』、佐賀大学経済学部、１９９３年３月, PP. 56-69、（単）、（日本語）
(15) Impact of Japanese Direct Investment on the
National Economies of South and Southeast Asia: The Case of Sri Lanka and
Thailand, 『佐賀大学経済論集』第２６巻第２号、１９９３年７月, PP. 29-87, (単)、（英語）
(16)
「スリランカとタイにおける日本企業の直接投資」、『龍谷大学経済論集』第３３巻第４号、１９９４年３月、PP.１６２ー１９６、（単）、（日本語）
(17) 「アジア諸国における輸出入の多様化に対する日本の直接投資とその影響力：スリランカとタイに対する日本の投資と貿易関係を中心にして」、『佐賀大学経済論集』第２６巻第６号１９９４年３月、PP. 23-56、（単）、（日本語）
(18)
「中国社会主義市場経済における日本の海外直接投資の推移」、『佐賀大学経済論集』、第２７巻第３号、１９９４年１０月、 PP. 1-32、（単）、（日本語）
(19)
Financial
System Deregulation and Australian Banks: An Overview, 『佐賀大学経済論集』第３０巻第１＆２号１９９７年５月, PP.２1-５０, （共: P. Edirisuriya, Piyadasa Ratnayake）、（英語）
(20)
「佐賀県内の有機堆肥の流通市場（市民向け）に関する分析、『有機堆肥の需給に関する調査研究報告書』、西有田町委託調査、佐賀大学地域経済研究センター、平成１０年３月、PP.９−１５、（単）、（日本語）
(21)
Looking for Opportunity in
the North: An Overview on International Migration as a Problem of Development
in the South, 『佐賀大学経済論集』第３２巻第１号１９９９年５月, PP.１３９−１６２, （共: Sarath Gamlath, Piyadas Ratnayake）、（英語）
(22)
Rural
Development through Self-Reliance Approach: Lessons from Practice in Sri Lanka,
『社会科学ジャーナル』、国際基督教大学学報IIB、第４１号、東京、１９９９年３月、PP.３３−６８、（単）、（英語）
(23)
Perspective of Japan’s ODA Relations with Sri Lanka: An Overview of Motivations
of the Donor and Perceptions of the Recipient, Saga University Economic Review, Vol.33, No.3.4, January 2001, Saga, Japan,
PP.1-37, (English)
(24)
A Study on the
Behavioural Pattern of Portfolio Investors in Developing Countries: Evidence
from Sri Lanka, Saga University Economic Review, (Joint: Piyadasa Edirisuriya, Piyadasa
Ratnayake), Vol. 34, No. 1, May 2001, Saga, Japan, PP.1-17, (English)
(25) Alternative Agriculture as a Method of Strengthening the Agricultural Sector
in Sri Lanka: A case Study on the Coconut Triangle, Saga University Economic
Review, (Joint: Sampath Amaratunge, P. Ratnayake, Y. Shiratake, J.Takeda),
Vol. 34, No 2, July 2001, Saga, Japan, PP.19-36, (English)
(26) Political Constraints on Economic Integration in South Asia: Perspectives,
Saga University Economic Review, Vol. 34, No 3, September 2001, Saga, Japan,
(Joint: R.H.S. Samaratunga, Piyadasa Ratnayake) PP.1-33, (English)
(27) Japanese Official Development Assistance to Sri Lanka: An Analysis of Perceptions
of the Recipient, Saga University Economic Review, Vol. 34, No 4, November
2001, Saga, Japan, PP.29-68, (English)
(28) Survival of Small-Scale Agro-Based Industries in a Market Economy: A Case
Study on a Milk Processing Industry in Kurunegala District of Sri Lanka,
Ryukoku University Economic Review, Vol. 41, No. 5, March 2002, Kyoto,
Japan, (Joint: Sampath Amaratunge, Hisashi Nakamura, Piyadasa Ratnayake),
PP.43-66, (English)
(29) The Role of Japan Overseas Cooperation Volunteers in Socioeconomic Development
of Rural Sector in Sri Lanka: Perspectives, Saga University Economic Review,
Vol. 35, No 1, June 2002, Saga, Japan, PP.45-78,
(English)
(30) The Possibility of Using Japan Overseas Cooperation Volunteers in Programmes
of Rural Poverty Alleviation in Sri Lanka, Saga University Economic Review,
Vol. 35, No 3, August 2002, Saga, Japan, PP.1-49, (English)
(31) Impact of Samanala Wewa Dam on the Regional Economy of Sri Lanka: A Study
of the Kaltota Scheme, Saga University Economic Review, Vol. 39, No 2,
July 2006, Saga, Japan, PP.19-68, (English)
(32) The Effect of Foreign Aid on Macroeconomic Variables: The Experience of
Sri Lanka, Saga University Economic Review, Vol. 38, No 3, September 2005, Saga, Japan, PP.107-132, (English), (Joint: Hansamali
Amarasinghe, Piyadasa Ratnayake)
(33)
A New Approach towards Self-Reliant Rural Development: Export Production
Village Revisited, Ryukoku Journal of Economic of Economic Studies, Collection
of Inter-Civic Studies, Vol. 46, Vo.5,March 2007, Kyoto, Japan, PP.113-133
(34)
The Role of Institutions in Economic Development: An Alternative Approach
(Joint: Hansamali Amarasinghe, Piyadasa Ratnayake), Saga University Economic
Review, Vol.41, No.3, September
2008, PP 19-35
(35)
Japanese Foreign Direct Investment in Asia: Experience from Sri Lanka,
Journal of Accounting-Business & Management, (Joint: Piyadasa Ratnayake,
Piyadasa Edirisuriya), Vol. 15 (2), Indonesia, October 2008
(36)
Effectiveness of Foreign Aid in Local Institutional Environment: The Experience
of Japanese Aid in Sri Lanka (Joint: Hansamali Amarasinghe, Piyadasa Ratnayake),
Ryukoku Journal of Economic Studies, Vol. 48 No. 3.4 March 2009, PP 97-117
(37)
The Role
of Agricultural Extension in the Modernization of Agricultural Technologies: A
Lesson from the Japanese Experience, Saga
University Economic Review, Vol. 42, No 4,
November 2009, Saga, Japan, PP.1-35
(38)
Human Capital and Economic Development: A Survey of Conceptual Relationship
and Experience, Saga University Economic Review, Vol. 43, No 1, March 2010,
Saga, Japan, PP.1-18