Gunawan, Aam, Audita Hapsah, Sugiarti Sugiarti, Tintin Rostini, and Raga Samudera. 2024. “Analysis of the Cost Efficiency of Using Feed With Different Types of Feed and Ducks”. Jurnal Agrosci 1 (5):246-59. https://doi.org/10.62885/agrosci.v1i5.268.