Dong Wook Lee and  Seung Hyun Kim,  An Analysis of the Results of Trial Blasting of Site Development Project in the Volcanic Island.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2016, vol. 120(12). 1557 - 1562
    [viewed 01 October 2020]. Available from: https://publications.waset.org/pdf/10005932.