NURUL LAILI KURNIATI. STRATEGI PENINGKATAN KUALITAS PELAYANAN PT. KERETA API INDONESIA (Persero) UNTUK KEPUASAN PELANGGANAN PADA MASA PANDEMI COVID-19 DI MEDAN (UPT BALAI YASA PULUBRAYAN). JOURNAL OF ADMINISTRATIVE AND SOCIAL SCIENCE, [S. l.], v. 4, n. 1, p. 195–199, 2023. DOI: 10.55606/jass.v4i1.145. Disponível em: https://journal-stiayappimakassar.ac.id/index.php/jass/article/view/145. Acesso em: 25 nov. 2024.