“SCREENING OF FACTORS INFLUENCING EXO-POLYGALACTURONASE PRODUCTION BY ASPERGILLUS NIGER ATCC 120120 USING TWO-LEVEL FRACTIONAL FACTORIAL DESIGN”. Jurnal Teknologi (Sciences & Engineering) 81, no. 6 (September 22, 2019). Accessed December 19, 2024. https://journals.utm.my/jurnalteknologi/article/view/13638.