Kautsarina, Kautsarina, Onny Rafizan, Ahmad Budi Setiawan, and Ashwin Sasongko Sastrosubroto. “Information and Communication Technology Service Industry Development in Indonesia”. Journal of Telecommunications and the Digital Economy 5, no. 3 (September 13, 2017): 50–82. Accessed January 8, 2025. https://mail.jtde.telsoc.org/index.php/jtde/article/view/96.