Subagja H, Saleh A, Kustiawan E. Development of Duck Farming in Gumuk Mas District, Jember Regency. food-science [Internet]. 2020 Dec. 11 [cited 2025 Oct. 8];3(1):73-7. Available from: https://proceedings.polije.ac.id/index.php/food-science/article/view/178