Ahmed, T.W., Usmani, T.H., Motan, M.T. and Damani, M.A. 2000. ?DELIGNIFICATION OF KENAF (HIBISCUS SABDARIFFA) BY ORGANOSOLV PULPING PROCESS. PART-II. FORMIC AND PROPIONIC ACIDS. Biological Sciences - PJSIR. 43, 2 (Apr. 2000), 103–107.