Martivia, Wynne, and Awisal Fasyni. “Content Marketing Effect on Customer Retention: Using Customer Engagement As Intervening Variable”. Marketing Management Studies 2, no. 4 (December 21, 2022): 345-356. Accessed November 21, 2024. https://jkmp.ppj.unp.ac.id/index.php/mms/article/view/326.