Rahmatullah ABM. (2006) Causality between Capital Investment and Productivity in Japanese Agriculture. Journal of Japanese Rural Economy, Vol.7.

Rahmatullah ABM. (2007) Regional Productivity in Bangladesh Agriculture. The AIUB Journal of Business and Economics, Vol.6 (1).

Rahmatullah ABM. (2008) Causality and Convergence in Bangladesh Agriculture. Research Paper in Economics (RePEc – Online).

Rahmatullah ABM. (2008) Convergence in Bangladesh Agriculture. The AIUB Journal of Business and Economics, Vol.7 (01).