SHAHID, Sana; AHMED ZUBAIRI, Nisar. Comparative Study: An analysis of WhatsApp application and SMS by students & Professionals of Karachi. Journal of Mass Communication Department, Dept of Mass Communication, University of Karachi, [S. l.], v. 14, 2019. DOI: 10.46568/jmcd.v14i0.44. Disponível em: http://jmcd-uok.com/index.php/jmcd/article/view/44. Acesso em: 15 feb. 2025.