@article{Opon_2022, title={Influence of microfine-contaminated sand from Mandulog River system in Iligan City, Philippines on the performance of concrete}, volume={16}, url={https://stce.huce.edu.vn/index.php/en/article/view/2257}, DOI={10.31814/stce.huce(nuce)2022-16(2)-02}, number={2}, journal={Journal of Science and Technology in Civil Engineering (JSTCE) - HUCE}, author={Opon, Joel Galupo}, year={2022}, month={Feb.}, pages={12-21}