ZEIN RAMADHAN RIFA’I, M.; ZEN, M. Strategi Marketing Mix dalam Menghadapi Persaingan Pasar : Studi Kasus Pada PT. Zamzam Sumbula Thoyyiba Tangerang Selatan. Journal of Islamic Management, [S. l.], v. 1, n. 2, p. 148–162, 2021. DOI: 10.15642/jim.v1i2.557. Disponível em: https://jurnalfdk.uinsby.ac.id/index.php/JIM/article/view/557. Acesso em: 7 may. 2024.