Sunhaji, Sunhaji, et al. “Implementation of Digital Marketing in Increasing Sales at PT. Kombas Digital Internasional Commissioner and Young Berjaya Group Kebumen ”. Advances in Humanities and Contemporary Studies, vol. 5, no. 1, Feb. 2024, pp. 47-52, https://publisher.uthm.edu.my/periodicals/index.php/ahcs/article/view/15895.