ANALISIS KINERJA KEUANGAN KOPERASI KONSUMEN PEGAWAI NEGERI KESRA (KKPN “KESRA”) KEC. LUBUK PAKAM. JOURNAL OF SCIENCE AND SOCIAL RESEARCH, [S. l.], v. 6, n. 3, p. 587–592, 2023. DOI: 10.54314/jssr.v6i3.1447. Disponível em: https://goretanpena.com/jurnal/index.php/JSSR/article/view/1447.. Acesso em: 4 aug. 2026.