Nasution, S.M., Jati, A.N., Dirgantoro, B., Al-Basyari, R.S.Y. and Aisyah, S.Q. 2016. VIP Access System for Server Room Based on Near Field Communication Technology. Journal of Telecommunication, Electronic and Computer Engineering (JTEC). 8, 6 (Sep. 2016), 67–70.