ALI DEBA, A., S. . MOHAMMED, H. SA’IDU, and N. A. . MOHD ZAIN. “DIAGNOSTIC MODELS OF 2-LEVEL FRACTIONAL FACTORIAL DESIGN OF IMMOBILIZED Candida Rugosa LIPASE BIODIESEL PRODUCTION”. BIMA JOURNAL OF SCIENCE AND TECHNOLOGY (2536-6041), vol. 7, no. 2, June 2023, pp. 167-75, doi:10.56892/bima.v7i2.437.