Choudhury, A T M A, and Y M Khanif. “POTASSIUM ADSORPTION BEHAVIOUR OF THREE MALAYSIAN RICE SOILS”. Biological Sciences - PJSIR 46, no. 2 (April 28, 2003): 117–121. Accessed November 22, 2024. https://v2.pjsir.org/index.php/biological-sciences/article/view/1605.