Ningrum, R. S.; Ramadani, A.; Rosalina, R.; Yustiyani, D.; Reyzando, R. A. Preparation and Antifungal Activities of Chitosan from Apple-Snail (Pila Ampullacea) Shells As Preserving Agent for Postharvest Podang Mango (Mangifera Indica L.) Cv Podang. IJAR 2021, 2, 66-78.