Halawa, Fransiscus Amonio, and Leonard Siahaan. “Kualitas Pelayanan Dan Administrasi Pada Kantor Lemondial Business School (LBS) Jakarta”. Jurnal Lemondial Business School 9, no. 4 (March 7, 2024). Accessed January 30, 2025. https://e-journal.lemondial.ac.id/index.php/smc/article/view/47.