Seesodsai, S., A. Rumnum, P. Taweepong, and W. Laochot. “Semi-automatic electric grinders for use in cutting tiles”. Rattanakosin Journal of Science and Technology, vol. 2, no. 1, Apr. 2020, pp. 1-13, https://ph02.tci-thaijo.org/index.php/RJST/article/view/243379.