Wong, G. C., N. Anizam, N. H. Nasruddin, and C. Z. C. Hasan. “An IoT-Enabled Smart Safety Helmet for Enhancing Worker Protection on Construction Sites”. Politeknik & Kolej Komuniti Journal of Engineering and Technology, vol. 10, no. 1, June 2025, pp. 105-16, https://app.mypolycc.edu.my/journal/index.php/PMJET/article/view/744.