Kakerissa, Yance, and Reinyelda D. Latuheru. “Utilization of Plastic Waste As a Substitutional Material for Paving Block Manufacturing”. Engineering And Technology Journal 8, no. 3 (March 16, 2023): 2047–2051. Accessed July 22, 2024. https://everant.org/index.php/etj/article/view/841.