Suweero, K., & Khamput, P. (2020). Development of Interlocking Concrete Paving Block Product Mixed with Colored Polyethylene Terephthalate Plastic Bottle from Post-Consumer Waste. Frontiers in Engineering Innovation Research, 18(1), 81–90. retrieved from https://ph01.tci-thaijo.org/index.php/jermutt/article/view/241886