Shera Anak Gilbert, Shera Anak Gilbert, et al. “Porosity Analytical Tool Based on Infrared (IR) Images of Concrete”. Journal of Advanced Industrial Technology and Application, vol. 3, no. 1, June 2022, pp. 1-9, https://penerbit.uthm.edu.my/ojs/index.php/jaita/article/view/11669.