Usmani, T. H., Tahir, M., Ahmed, M. A., & Damani, M. . A. (2002). CATALYZED 0RGANOSOLV PULPING OF SUNFLOWER (HELIANTHUS ANNUS) STEMS BY LOWER ALIPHATIC ORGANIC ACIDS. Biological Sciences - PJSIR, 45(1), 34–40. Retrieved from https://v2.pjsir.org/index.php/biological-sciences/article/view/1740