ZAINUDDIN, A. N.; MUKRI, M. .; NORBAYA SIDEK. Investigation on Soil Strength and Microstructure of Palm Oil Boiler Ash with Sodium Hydroxide and Sodium Silicate as Alkaline Solution. International Journal of Sustainable Construction Engineering and Technology, [S. l.], v. 13, n. 1, p. 57–67, 2022. Disponível em: https://penerbit.uthm.edu.my/ojs/index.php/IJSCET/article/view/8254. Acesso em: 9 aug. 2022.