SYED CHEAR, S. L.; MOHD NOR, M. Y. Learning Intervention in e-Learning Portal Through WhatsApp and Telegram Based on Needham Five Phase Model: Intervensi Pembelajaran di Portal e-Pembelajaran Melalui Aplikasi Whatsapp dan Telegram Berdasarkan Model Lima Fasa Needham. Evaluation Studies in Social Sciences, [S. l.], v. 1, n. 1, p. 11–27, 2020. DOI: 10.37134/esss.vol1.1.2.2020. Disponível em: https://ojs.upsi.edu.my/index.php/ESSS/article/view/6826. Acesso em: 3 may. 2024.