‘Production and Processing Effect on Antioxidant Properties of Jam Produced from Apple (Malus Domestica) and Orange (Citrus Sinensis) Fruits’. African Journal of Biomedical Research 26, no. Special Edition 1 (december 31, 2023): 59–64. Geraadpleegd april 5, 2026. https://www.ojshostng.com/index.php/ajbr/article/view/3176.