Jaleel, Cheruth Abdul, Zhao Changxing, K Jayakumar, and M Iqbal. “Low Concentration of Cobalt Increases Growth, Biochemical Constituents, Mineral Status and Yield in Zea Mays”. Journal of Scientific Research 1, no. 1 (December 25, 2008): 128–137. Accessed August 16, 2024. https://banglajol.info/index.php/JSR/article/view/1226.