Hassanullah, M., Ahmad, M., & Siddiqui, H. G. A. (1996). Performance of agricultural extension organizations of Bangladesh. University Press.

Hassanullah, M., M. Ahmad, and H G A. Siddiqui. Performance of Agricultural Extension Organizations of Bangladesh. Dhaka: University Press, 1996.

Hassanullah, M., et al. Performance of Agricultural Extension Organizations of Bangladesh. University Press, 1996.