Sarkar, MAR, MHA Rashid, and MR Sarker. “Contract Farming in Tomato Seed Production in Rangpur District of Bangladesh: A Financial Analysis”. Progressive Agriculture 22, no. 1-2 (September 26, 2013): 169–179. Accessed December 20, 2024. https://banglajol.info/index.php/PA/article/view/16478.