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 [Internet]. 2022 Dec. 15 [cited 2026 Sep. 15];7(2):56-64. Available from: https://jurnal.umpwr.ac.id/jrap/article/view/3884