HASIBUAN, A. Q. R. Effect of Tuition Fee, Promotion on Number of Students: Trust as Mediation Variable. UPI YPTK Journal of Business and Economics, [S. l.], v. 8, n. 1, p. 8–16, 2023. DOI: 10.35134/jbe.v8i1.220. Disponível em: https://jbe-upiyptk.org/ojs/index.php/jbe/article/view/220. Acesso em: 12 may. 2026.