Syaifudin, Y. W., Yunhasnawa, Y., Pramitarini, Y., Setiawan, A., Rohadi, E., & Saputra, P. Y. (2020). A Proposed Framework of Campus-Oriented Online Text Messaging System. International Journal of Interactive Mobile Technologies (iJIM), 14(16), pp. 194–209. https://doi.org/10.3991/ijim.v14i16.11454