CAHYA E. PENGARUH KUALITAS PRODUK DAN HARGA TERHADAP KEPUTUSAN PEMBELIAN SMARTPHONE SONY XPERIA Z SERIES DI COUNTER INSIGHT PLAZA MARINA SURABAYA. jptn [Internet]. 11Jun.2015 [cited 17May2024];3(2). Available from: https://ejournal.unesa.ac.id/index.php/jptn/article/view/12034