Ferdoush, JN, and MM Rahman. “Effects of Boron Fertilization and Sowing Date on the Grain Protein Content of Wheat Varieties”. Journal of Environmental Science and Natural Resources 6, no. 1 (February 10, 2015): 41–45. Accessed May 19, 2024. https://banglajol.info/index.php/JESNR/article/view/22038.