Nur Yunus, Faizal Amin, et al. “Kawalan Alat Penyaman Udara Menggunakan IoT”. Politeknik & Kolej Komuniti Journal of Engineering and Technology, vol. 3, no. 1, Nov. 2018, pp. 30-42, https://app.mypolycc.edu.my/journal/PMJET/article/view/518.