KUSNADI, A.; WIDIARTO, A. E. PRINSIP-PRINSIP KONSTITUSIONALITAS KOPERASI BERDASARKAN UUD NEGARA RI TAHUN 1945. Arena Hukum, [S. l.], v. 9, n. 1, p. 17–31, 2016. DOI: 10.21776/ub.arenahukum.2016.00901.2. Disponível em: https://arenahukum.ub.ac.id/index.php/arena/article/view/233. Acesso em: 17 aug. 2022.