Yeasmin, Farzana, Ismat Ara Begum, Dilshad Zahan Ethen, and Fardous Ara Happy. “Measurement of Farm Productivity of Rice: A Case of Bangladesh”. South Asian Journal of Social Studies and Economics 5, no. 2 (November 8, 2019): 1-9. Accessed May 25, 2020. http://journalsajsse.com/index.php/SAJSSE/article/view/30141.