Maysaroh RI, Sujianto AE. PENGARUH RELATIONSHIP MARKETING, KEUNGGULAN BERSAING DAN IMPLEMENTASI ISTISHNA’ TERHADAP LOYALITAS KONSUMEN ANUGERAH BETON. JIE [Internet]. 2022 Jul. 17 [cited 2025 Jul. 18];6(2):985-92. Available from: https://jurnal.stie-aas.ac.id/index.php/jie/article/view/4904