Hidayat, T, R S Mahanani, and Nurkholis. “Jalak Suren (Sturnus Contra) Bird Breeding Using Colony System Innovation and Special Incubator”. Food and Agricultural Sciences : Polije Proceedings Series 3, no. 1 (December 11, 2020): 52–56. Accessed November 29, 2021. https://proceedings.polije.ac.id/index.php/food-science/article/view/175.