Nuryanto N. Peranan Efektivitas Faktor-Faktor yang Mempengaruhi Relationship Marketing Produk Air Mineral Aqua di Surabaya. BIPs [Internet]. 2011Jul.29 [cited 2024Dec.12];3(2):Hal 151 - 165. Available from: https://jurnal.ukdc.ac.id/index.php/BIP/article/view/290