Production of Vanillin from Pumpkin Peels via Microbiological Fermentation using Aspergillus niger. Mal. J. Fund. Appl. Sci. [Internet]. 2023 Dec. 4 [cited 2026 Sep. 15];19(6):1119-30. Available from: https://mjfas.utm.my/index.php/mjfas/article/view/3193