TEOH, W. P.; CHEE, S. Y.; HABIB, N. Z.; NG, C. A. An Attempt to Maximize the Use of Used Cooking Oil and Fly Ash in the Production of Green Roofing Tile. International Journal of Sustainable Construction Engineering and Technology, [S. l.], v. 13, n. 1, p. 273–281, 2022. Disponível em: https://penerbit.uthm.edu.my/ojs/index.php/IJSCET/article/view/11064. Acesso em: 9 aug. 2022.