Wicaksono, Kuspuji C. B. “Differences in Brand Image of Online Chat Application of Blackberry Messenger, Whatsapp, and Line for Bina Nusantara University’s Student”. Binus Business Review 7, no. 1 (May 31, 2016): 95–101. Accessed April 30, 2025. https://journal.binus.ac.id/index.php/BBR/article/view/1489.