“Kadar Tanin, Berat telur, Indeks Telur, dan Berat Kerabang Telur Itik yang Disamak Ektrak Etanol Kulit Manggis (Garcia Mangostana L ): Tannin Content, Egg Weight, Egg Index, and Weight of Tanned Duck Egg Centipede Mangosteen Skin Ethanol Extract (Garcia Mangostana L )”, jrap, vol. 7, no. 2, pp. 56–64, Dec. 2022, Accessed: Sep. 15, 2026. [Online]. Available: https://jurnal.umpwr.ac.id/jrap/article/view/3884