Hendronursito Y, Amin M, Chambioso Y, Suharto, Marjunus R. The Effect of Bentonite and Palm Shell Ash on The Mechanical and Physical Properties of Geopolymer Concrete. j.ris.technol.pencegah. [Internet]. 2022 Nov. 10 [cited 2024 Apr. 24];13(2):21-7. Available from: https://jrtppi.id/index.php/jrtppi/article/view/140