PURNAMA, Oka. Pengaruh Kualitas Produk, Kualitas Layanan, Dan Harga Terhadap Keputusan Pembelian Konsumen Coffee Shop “Gula Kopi”. PERFORMA, [S. l.], v. 8, n. 3, p. 281–293, 2023. DOI: 10.37715/jp.v8i3.3964. Disponível em: https://ojs.somebut.my.id/index.php/performa/article/view/3964. Acesso em: 19 feb. 2026.