Ahmed, Tamoor Wahab, Tanzil H Usmani, M Tahir Motan, and M A Damani. 2000. “?DELIGNIFICATION OF KENAF (HIBISCUS SABDARIFFA) BY ORGANOSOLV PULPING PROCESS. PART-II. FORMIC AND PROPIONIC ACIDS”. Biological Sciences - PJSIR 43 (2):103-7. https://v2.pjsir.org/index.php/biological-sciences/article/view/2005.