Bonggoibo B. PENGARUH KUALITAS ALAT UKUR DAN PELAYANAN TERHADAP LOYALITAS PELANGGANG SPBU SISINGAMANGARAJA BIAK KOTA. jgp [Internet]. 2022Apr.16 [cited 2025Jul.4];2(1):49-1. Available from: https://e-journal.iyb.ac.id/index.php/jgp/article/view/300