Salam, MA, MAB Siddique, and J Parvin. “Assessment of Technical Efficiency of Inbred HYV and Hybrid Rice Cultivation at Farm Level”. Bangladesh Journal of Agricultural Research 37, no. 2 (July 14, 2012): 235–250. Accessed July 8, 2024. https://banglajol.info/index.php/BJAR/article/view/11225.