Popoola, A V, and E Ogedengbe. “?EFFECTS OF PROCESSING ADDITIVES ON THE PROPERTIES OF NATURAL RUBBER (NSR 20)”. Biological Sciences - PJSIR 41, no. 6 (December 21, 1998): 281–284. Accessed November 24, 2024. http://v2.pjsir.org/index.php/biological-sciences/article/view/2291.