Hasibuan, Elsa Uli, Kristanty M.N. Nadapdap, and Jon Henri Purba. “- Pengaruh Keamanan, Ketepatan Waktu Pengiriman, Dan Kualitas Pelayanan Terhadap Kepuasan Pelanggan : -”. RIGGS: Journal of Artificial Intelligence and Digital Business 5, no. 1 (March 30, 2026): 10349–10356. Accessed March 31, 2026. https://journal.ilmudata.co.id/index.php/RIGGS/article/view/7510.