@article{lejpt26079,
 author={K. Adewole, K. and O. Ajagbe, W. and A. Arasi, I.},
 year={2015},
 title={Determination of appropriate mix ratios for concrete grades using Nigerian Portland-limestone grades 32.5 and 42.5},
 journal={Leonardo Electron. J. Pract. Technol.},
 volume={14},
 number={26},
 pages={79-88},
 url={http://lejpt.academicdirect.org/A26/079_088.pdf}
}