L. S. Li, Z. M. Fauzee, N. Zamin, N. Kamarudin, N. A.Sabri, and N. S.Nik Ab Aziz, “An Encrypted Log File Keylogger System for Parental Control”, IJET, vol. 7, no. 2.28, pp. 193–196, May 2018, doi: 10.14419/ijet.v7i2.28.12910.