KaboK.S., BelloA.M. and YalwaI.R. 2023. MODEL DEVELOPMENT AND OPTIMIZATION IN METHANOLYSIS OF RICE BRAN OIL USING NANOCRYSTALLINE K-ZnO CATALYST: BOX BEHNKEN DESIGN. FUDMA JOURNAL OF SCIENCES. 3, 2 (Apr. 2023), 103 - 114.