Hamizan, Haifaa Amira, et al. “Sistem Kawalan Lampu, Paras Air Dan Kunci Pintu Di Dalam Tandas Awam ”. Multidisciplinary Applied Research and Innovation, vol. 3, no. 2, July 2022, pp. 331-5, https://publisher.uthm.edu.my/periodicals/index.php/mari/article/view/3468.