Agustina, E., and R. Sarie. “KUALITAS PRODUK, HARGA, DAN IKLAN TERHADAP KEPUTUSAN PEMBELIAN HANDPHONE IPHONE DI APPLE SECOND STUFF MANUKAN SURABAYA”. Jurnal Ekonomi, Bisnis Dan Sosial, Vol. 3, no. 3, Nov. 2025, pp. 142-9, https://jurnal.uwp.ac.id/feb/index.php/jebs/article/view/668.