Suryawan, Angellia Debora. “Analisis Investasi Proyek IT Dalam Bina Nusantara”. ComTech: Computer, Mathematics and Engineering Applications 4, no. 2 (December 1, 2013): 557–565. Accessed January 11, 2026. https://journal.binus.ac.id/index.php/comtech/article/view/2478.