MATONDANG , Khairani Alawiyah; SIANIPAR, Agnes Monica; GEA, Enjel Widia Sari; SIRAIT, Respa Mellia. Pengaruh Modal Sendiri dan Volume Usaha Terhadap Sisa Hasil Usaha Koperasi di Provinsi Pulau Sumatera Periode 2019-2023. RIGGS: Journal of Artificial Intelligence and Digital Business, [S. l.], v. 5, n. 2, p. 4732–4741, 2026. DOI: 10.31004/riggs.v5i2.9236. Disponível em: https://journal.ilmudata.co.id/index.php/RIGGS/article/view/9236. Acesso em: 31 jul. 2026.