MODEL DEVELOPMENT AND OPTIMIZATION IN METHANOLYSIS OF RICE BRAN OIL USING NANOCRYSTALLINE K-ZnO CATALYST: BOX BEHNKEN DESIGN. FJS [Internet]. 2023 Apr. 6 [cited 2025 Sep. 11];3(2):103-14. Available from: http://www.fjsadmin.fudutsinma.edu.ng/index.php/fjs/article/view/1489