ZULVIA, P.; HARYANTO, N. D. INCREASING CUSTOMER STATISFACTION THROUGH IMPROVING SERVICE QUALITY AT THE PURWOREJO POST OFFICE 54100. Jurnal Ilmu Administrasi: Media Pengembangan Ilmu dan Praktek Administrasi, [S. l.], v. 18, n. 2, p. 195–211, 2021. DOI: 10.31113/jia.v18i2.796. Disponível em: https://jia.stialanbandung.ac.id/index.php/jia/article/view/796. Acesso em: 8 aug. 2026.