Sandri Linna Sengkey, Geertje Efraty Kandiyoh, Ventje Berty Slat, Chris Hombokau (2023) “Properties of Geopolymer Paving Blocks Based On Fly Ash with Bottom Ash as A Sand Substitution”, Design Engineering, (1), pp. 154 - 163. Available at: http://www.thedesignengineering.com/index.php/DE/article/view/9770 (Accessed: 5May2024).