MISRI GOZAN, AGUNG MARSSADA BIORATA, and SISWA SETYAHADI. 2013. “VARIATION OF C N RATIO AND FERMENTATION TIME IN RESPONSE SURFACE METHODOLOGY FOR CELLULASE PRODUCTION FROM Bacillus Sp. BPPT CC RK2”. International Journal of Pharma and Bio Sciences 4 (4):1063-70. https://ijpbs.net/index.php/journal/article/view/2965.