“STUDI KINERJA KOPERASI SERBA USAHA (KSU) SUMBER REJEKI DI DESA KARYA BHAKTI KECAMATAN MUARA WAHAU KABUPATEN KUTAI TIMUR (The Performance Study of Multipurpose Business Cooperative (MBC) of Sumber Rejeki in Karya Bhakti Village Muara Wahau Subdistrict East Kutai District)”. JURNAL AGRIBISNIS DAN KOMUNIKASI PERTANIAN (Journal of Agribusiness and Agricultural Communication) 1, no. 1 (November 12, 2018): 19–24. Accessed October 4, 2026. https://e-journals.unmul.ac.id/index.php/AKP/article/view/1700.