Rukmansyah, Edwin. “The Influence of Customer Engangement, Customer Loyalty and Customer Experience on Sales Achievement (Kasus: Imunicare by Bio Farma)”. Jurnal Indonesia Sosial Teknologi 5, no. 7 (July 25, 2024): 3456–3469. Accessed November 21, 2024. https://jist.publikasiindonesia.id/index.php/jist/article/view/1233.