Olanipekun, E 0, and J T Bamgbose. “?REACTION KINETICS FOR THE LEACHING OF IMPURITIES FROM ROCK PHOSPHATE”. Biological Sciences - PJSIR 41, no. 3 (June 22, 1998): 116–120. Accessed July 3, 2024. https://v2.pjsir.org/index.php/biological-sciences/article/view/2248.