Hassan, Mian Sayeed, Abul Khair, M Moynul Haque, Abul Kalam Azad, and Abdul Hamid. “Genotypic Variation in Traditional Rice Varieties for Chlorophyll Content, SPAD Value and Nitrogen Use Efficiency”. Bangladesh Journal of Agricultural Research 34, no. 3 (December 16, 2009): 505–515. Accessed September 18, 2024. https://banglajol.info/index.php/BJAR/article/view/3977.