Awang, A.R. et al. 2012. Morphological and Strength Properties of Tanjung Bin Coal Ash Mixtures for applied in Geotechnical Engineering Work. International Journal on Advanced Science, Engineering and Information Technology. 2, 2 (Apr. 2012), 168–175. DOI:https://doi.org/10.18517/ijaseit.2.2.178.