Koh, H. S., and H. B. Koh. “Drying Shrinkage Properties and Crack Development of Mortar Containing Sandy Clay”. Recent Trends in Civil Engineering and Built Environment, vol. 3, no. 1, July 2022, pp. 1291-02, https://publisher.uthm.edu.my/periodicals/index.php/rtcebe/article/view/2812.