Al-Rasyid J, Nawawi M, Pratiwi CP. The Keypad Passcode Design Analysis on Smart Lock Door System IoT Based. J. teknol. inf. pendidik. [Internet]. 2023Nov.13 [cited 2026Apr.18];16(2):56-67. Available from: http://tip.ppj.unp.ac.id/index.php/tip/article/view/740