Dahlila Kamat and Ismail Mohd Saaid and Iskandar Dzulkarnain, Comparative Characterization Study of Malaysian Sand as Proppant. journal = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology. September 2011, vol. 57(9). 524 - 529 [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/1547.