Abdullah, Abdullah, Erna Yuliwati, and Eka Sri Yusmartini. “Addition of Plastic Mixture (LDPE) for the Development of Alternative Mixtures in Concrete Blocks”. International Journal of Information Engineering and Science 2, no. 3 (August 27, 2025): 13–21. Accessed June 4, 2026. https://international.arteii.or.id/index.php/IJIES/article/view/301.