Satyawati, E., and M. Mujiyono. “KAJIAN OPTIMALISASI PENILAIAN KINERJA KEUANGAN KOPERASI BERBASIS ASPEK FUNDAMENTAL”. Proceeding SENDI_U, July 2019, pp. 508-11, https://www.unisbank.ac.id/ojs/index.php/sendi_u/article/view/7344.