1.
Usha V, Rajkumar N, M. Shyamala Devi D, Saranya Jothi C. GSM based door open and closing system. IJET [Internet]. 2018 Mar. 10 [cited 2024 May 2];7(2.4):97-100. Available from: https://www.sciencepubco.com/index.php/ijet/article/view/11186