ZENDRATO, F.; NAPITU, M. P.; SEMBIRING, V. br. The Effect of Service Quality on Customer Satisfaction in Ranking Learning Guidance Services Deli Serdang Branch . ProBisnis : Jurnal Manajemen, [S. l.], v. 16, n. 3, p. 510–516, 2025. Disponível em: https://ejournal.joninstitute.org/index.php/ProBisnis/article/view/1018. Acesso em: 18 apr. 2026.