Agustia, Devi, Nunung Kusnadi, and Harianto Harianto. “STUDI EMPIRIS PERILAKU USAHA KOPERASI PERTANIAN: KASUS KOPERASI DI DATARAN TINGGI GAYO, PROVINSI ACEH”. Jurnal Manajemen & Agribisnis 14, no. 1 (March 3, 2017): 12. Accessed November 30, 2022. https://jma.journal.ipb.ac.id/index.php/jmagr/article/view/15439.