Chandrika A, Yerizam M, Meidinariasty A. Effect of Alkaline Catalyst Concentrations and Weight Ratios of Oil to Methanol on the Biodiesel Production From Waste Cooking Oil. ijcs [Internet]. 13Nov.2023 [cited 23Nov.2024];12(3):245-54. Available from: http://journal.unnes.ac.id/sju/ijcs/article/view/72542