Fitri, Annisa, Harianto Harianto, and AsmarantakaRatna Winandi. 2018. “The Effects of Partnerships on the Efficiency of Mustard Farming at Megamendung District”. Jurnal Manajemen & Agribisnis 15 (1), 12. https://doi.org/10.17358/jma.15.1.12.