Ika Purnamasari, Nurkholifah Dwi Rahayu, M. Khairul Anam, & Dona Wahyuning Laily. (2024). Analysis of Profitability and Profit Margins of Rice-Fish Farming (Integrated Rice-Fish System) in Karangbinangun District, Lamongan Regency, East Java. Grouper, 15(1), 106–116. https://doi.org/10.30736/grouper.v15i1.262