Tuah Saidi Mardhona S, Bambang Satriawan, Nolla Puspita Dewi, and Basri, “LEADERSHIP, EMPLOYEE COMPETENCE, AND FACILITIES AS DETERMINANTS OF SERVICE QUALITY: SELF-EFFICACY MEDIATION AT BATAM CUSTOMS PASSENGER TERMINALS”, IJEBAS, vol. 6, no. 6, pp. 3186–3194, Oct. 2026.