Benjamas Na Thongkaew และ Amnat Ruksapol;Uthaiwan Sriwichai;Jutamas Phengkona. (2018) A Study of Environmental Impacts on Maejo-Chumphon University Lamae District, Chumphon Province. <i>SOCIAL SCIENCE ASIA : Official Journal of National Research Council of Thailand in conjunction with Maejo University</i>, <i>4</i>(3), 77-88.Benjamas Na Thongkaew และ Amnat Ruksapol;Uthaiwan Sriwichai;Jutamas Phengkona. "A Study of Environmental Impacts on Maejo-Chumphon University Lamae District, Chumphon Province". SOCIAL SCIENCE ASIA : Official Journal of National Research Council of Thailand in conjunction with Maejo University 4 (2018):77-88.Benjamas Na Thongkaew และ Amnat Ruksapol;Uthaiwan Sriwichai;Jutamas Phengkona. A Study of Environmental Impacts on Maejo-Chumphon University Lamae District, Chumphon Province. National Research Council of Thailand:ม.ป.ท. 2018.