P. Namwong, H. Longkullabutra, S. Somwan, and F. Jirasit, “Development of Dual-Layer Paving Blocks Using Waste Plastic as Aggregate Replacement with the Potential to Mitigate Microplastic Emissions ”, BUU SCI J, vol. 31, no. 2 May-August, pp. 619–642, Jun. 2026.