M. Riyadhi, S. Nufida, and H. Herliani, “Feasibility Analysis of Duck Egg Hatching in Mamar Village, South Amuntai District, North Hulu Sungai Regency (Case Study of Mr. Idun’s Farm).”, JPPLB, vol. 5, no. 2, pp. 66-71, Aug. 2025.