@article{ijtech-1011,
				title={Engineering Properties of Normal Concrete Grade 40 Containing Rice Husk Ash at Different Grinding Times},
				author={P. J.  Ramadhansyah, B. H. Abu  Bakar, M. J. Megat  Azmi,M. H. Wan  Ibrahim},
				volume={2},
				number={1},
				year={2014},
				month={Jan},
				pages={10-19},
				DOI={https://doi.org/10.14716/ijtech.v2i1.48},
				journal={International Journal of Technology},
				ISSN={2087-2100}}