SUHARTONO, Iman. KIPRAH KOPERASI DALAM MENGHADAPI PERDAGANGAN BEBAS. Among Makarti, [S. l.], v. 2, n. 2, 2012. DOI: 10.52353/ama.v2i2.9. Disponível em: https://jurnal.stieama.ac.id/index.php/ama/article/view/9. Acesso em: 8 oct. 2026.