Binti Nissanto, Nadirah. “THE EFFECTIVENESS OF WHATSAPP GROUP CHAT FOR INTERNAL COMMUNICATION AT KADOKAWA GEMPAK STARZ™”. Book Chapters of The 1st Jakarta International Conference on Social Sciences and Humanities (JICoSSH) 3 (February 3, 2019): 270-279. Accessed November 27, 2021. https://ebook.upnvj.ac.id/index.php/jicossh/article/view/19.