Govardhani. Immadi, M. Venkata Narayana, A. Sree Madhuri, M. Mounika, P. Jyothirmayee, K. Geethasree. Implementation of Digital Code Lock with Emergency Alarm System. IJAST [Internet]. 2020May27 [cited 2024May1];29(05):8345-50. Available from: http://sersc.org/journals/index.php/IJAST/article/view/18651