Surasak Chumraskarn. (2018) A study of the Government policy and the efficient Management of LandUtilization among State and Citizen in the Thaplan National Park and KaengKrachan National Park area. <i>Journal of Management Science Nakhon Pathom Rajabhat University</i>, <i>5</i>(2), 91-99.Surasak Chumraskarn. "A study of the Government policy and the efficient Management of LandUtilization among State and Citizen in the Thaplan National Park and KaengKrachan National Park area.". Journal of Management Science Nakhon Pathom Rajabhat University 5 (2018):91-99.Surasak Chumraskarn. A study of the Government policy and the efficient Management of LandUtilization among State and Citizen in the Thaplan National Park and KaengKrachan National Park area. Faculty of Management Science Nakhon Pathom Rajabhat University:ม.ป.ท. 2018.