Yusuf, Aris Kurniawan, Ade Hendri Hendrawan, and Yuggo Afrianto. “Building Virtual Private Server In Net-Centric Computing Laboratory”. Jurnal Teknik Informatika C.I.T Medicom 11, no. 2 (September 1, 2019): 59–65. Accessed October 17, 2021. https://medikom.iocspublisher.org/index.php/JTI/article/view/14.