Akhter, Mst Towhida, MA Mannan, PB Kundu, and NK Paul. “Effects of Different Sowing Dates on the Phenology and Accumulated Heat Units in Three Rapeseed (Brassica Campestris L.) Varieties”. Bangladesh Journal of Botany 44, no. 1 (March 26, 2015): 97–101. Accessed November 23, 2024. https://banglajol.info/index.php/BJB/article/view/22730.