Arini, Rizky Mega, Audina Rahmi, Ananda Sabrida Tora Boru Sinaga, Riyadatul Muthmainnah, and Annisa Tri Hidhayati. “The Effect of Service Quality on Customer Satisfaction at Asrin Cafe in Langkat”. Quantitative Economics and Management Studies 6, no. 2 (April 30, 2025): 293-301. Accessed February 11, 2026. https://qemsjournal.org/index.php/qems/article/view/3879.