Arthika, J., Venkatasubramanian, C., Muthu, D., P Asrani, N., & Gayathri, R. (2018). Utilization of Cow-dung Ash, Granite Powder and Marble Stone to Enhance Strength of Concrete. International Journal of Engineering & Technology, 7(3.12), 168-170. https://doi.org/10.14419/ijet.v7i3.12.15911