SILALAHI, W. B.; SILALAHI, R.; PURBA, J. H. Pengaruh Kualitas Pelayanan, Kehandalan, Cepat Tanggap, Dan Jaminan Terhadap Loyalitas Konsumen Pt. Karya Murni Perkasa Medan. RIGGS: Journal of Artificial Intelligence and Digital Business, [S. l.], v. 4, n. 2, p. 1814–1821, 2025. DOI: 10.31004/riggs.v4i2.744. Disponível em: https://journal.ilmudata.co.id/index.php/RIGGS/article/view/744. Acesso em: 1 feb. 2026.