Biswas, Jatish C, and JK Biswas. “Problems and Prospects of Rice Based Cropping Patterns in Chittagong Areas”. Bangladesh Rice Journal 18, no. 1-2 (April 17, 2015): 54–64. Accessed January 21, 2022. https://www.banglajol.info/index.php/BRJ/article/view/23003.