Kritsada Moonpa and  Kannipa Motanated and  Weerapan Srichan,  Sedimentological Study of Bivalve Fossils Site Locality in Hong Hoi Formation, Lampang, Thailand.   journal   = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2019, vol. 154(10). 618 - 623
    [viewed 12 November 2019]. Available from: https://publications.waset.org/pdf/10010837.