Indriyani, N., and M. Muhtar. “Eco Friendly Magnumcrete Innovation With Rice Husk Waste And Clam Shell Waste For Right Quality Structure Concrete”. National Multidisciplinary Sciences, vol. 3, no. 2, Feb. 2025, pp. 489-97, https://proceeding.unmuhjember.ac.id/index.php/nms/article/view/735.