O. Boonklong and M. Jaroensutasinee and K. Jaroensutasinee, Computation of D8 Flow Line at Ron Phibun Area, Nakhon Si Thammarat, Thailand. journal = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology. September 2007, vol. 9(9). 103 - 106 [viewed 19 September 2024]. Available from: https://publications.waset.org/pdf/14328.