Awang, A. R., Marto, A. and Makhtar, A. M. (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), pp. 168–175. doi: 10.18517/ijaseit.2.2.178.