“SYNERGISTIC ACTIVITY OF ENZYMES PRODUCED BY EUPENICILLIUM JAVANICUM AND ASPERGILLUS NIGER NRRL 337 ON PALM OIL FACTORY WASTES”. BIOTROPIA, no. 20 (November 17, 2011). Accessed August 29, 2026. https://journal.biotrop.org/index.php/biotropia/article/view/178.