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Vina Maulidatul Khasanah and Uliyatul Mu’awwanah 2025. Implementation of Sharia Economic Principles on Duck Farming Business Performance in Pondokwaluh Hamlet. International Journal of Economics and Management Research. 4, 1 (Apr. 2025), 31–42. DOI:https://doi.org/10.55606/ijemr.v4i1.286.