ANGGRAINI, W. ANALISIS FUNGSI KOORDINASI PADA KOPERASI SIDOWALUYO BELITANG MULYA OKU TIMUR. AKTUAL, [S. l.], v. 15, n. 2, p. 87–92, 2017. Disponível em: https://jurnal.stietrisnanegara.ac.id/index.php/aktual/article/view/18. Acesso em: 8 dec. 2025.