Choudhury, A T M A, and Y M Khanif. 2002. “EFFECTS OF MAGNESIUM FERTILIZATION ON RICE YIELD, MAGNESIUM AND POTASSIUM UPTAKE BY RICE AT VARIABLE APPLIED POTASSIUM LEVELS”. Biological Sciences - PJSIR 45 (5):345-49. https://v2.pjsir.org/index.php/biological-sciences/article/view/1834.