©2013 National Research Council of Thailand
Benjawan Aransawan. 1993. An application of geographic information system on national park management : a case study of Khao Sam Roi Yod National Park, Prachuap Khiri Khan province. Faculty of Graduate Studies, Mahidol University;
Benjawan Aransawan. (1993) An application of geographic information system on national park management : a case study of Khao Sam Roi Yod National Park, Prachuap Khiri Khan province . Mahidol University/Bangkok.
Benjawan Aransawan. An application of geographic information system on national park management : a case study of Khao Sam Roi Yod National Park, Prachuap Khiri Khan province. . Bangkok:Mahidol University, 1993.
Benjawan Aransawan. (1993) An application of geographic information system on national park management : a case study of Khao Sam Roi Yod National Park, Prachuap Khiri Khan province . Mahidol University/Bangkok.