1.
Mahmoud BI. The Marketing Information System and Its Importance in the Success of Proactive Marketing: Sistem Informasi Pemasaran dan Perannya dalam Kesuksesan Pemasaran Proaktif. ijler [Internet]. 2025 Nov. 11 [cited 2026 Jan. 11];20(4):10.21070/ijler.v20i4.1465. Available from: https://ijler.umsida.ac.id/index.php/ijler/article/view/1465