et. al., Angeline D. Baldapan. “Design and Development of Ecobangku from Medium Density Polyethylene Boards”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 8 (April 24, 2021): 2136–2140. Accessed December 22, 2024. https://turcomat.org/index.php/turkbilmat/article/view/3446.