SUKIDJO, -. Membangun Citra Koperasi Indonesia. Jurnal Ekonomi dan Pendidikan, [S. l.], v. 5, n. 2, 2012. DOI: 10.21831/jep.v5i2.598. Disponível em: https://journal.uny.ac.id/index.php/jep/article/view/598. Acesso em: 11 may. 2025.