Inayati, Iin, Ketut Sukiyono, Retno Agustina Ekaputri, and Purmini. 2025. “Sumatra Farmers’ Welfare Analysis: A Modified Geographic Weight Regression (Gwr) Model Application”. Research on World Agricultural Economy 6 (4):478-96. https://doi.org/10.36956/rwae.v6i4.2079.