SRI HARIYATI FITRIASIH, Hardi Santoso. Sistem Penjualan dan Simpan Pinjam pada koperasi Harum Sari PT. Air Mancur. Jurnal Ilmiah SINUS, [S. l.], v. 9, n. 2, 2011. DOI: 10.30646/sinus.v9i2.87. Disponível em: https://ejournal.tsu.ac.id/index.php/e-jurnal_SINUS/article/view/87. Acesso em: 14 may. 2026.