URSUA, J. R. S. Plastic Wastes, Glass Bottles, and Paper: Eco-Building Materials for Making Sand Bricks. The International Journal of Science, Technology and Engineering , [S. l.], v. 3, n. 1, 2019. Disponível em: https://ijste.psu.edu.ph/index.php/1/article/view/24. Acesso em: 3 apr. 2025.