Farokha D, Syafi’i A. KUALITAS PELAYANAN PENGIRIMAN POS EXPRESS DI PT. POS INDONESIA CABANG BARATAJAYA SURABAYA. JPAP [Internet]. 21May2015 [cited 18May2024];1(01). Available from: https://jurnal.untag-sby.ac.id/index.php/jpap/article/view/394