Benchaphun Ekasingh. 2000. An analysis of land use systems using Policy Analysis Matrix (PAM) in a small watershed in Wat Chan, northern Thailand. Chiang Mai:Chiang Mai University;
Benchaphun Ekasingh. (2000) An analysis of land use systems using Policy Analysis Matrix (PAM) in a small watershed in Wat Chan, northern Thailand (รายงานผลงานวิจัย). Chiang Mai University:Chiang Mai.
Benchaphun Ekasingh. An analysis of land use systems using Policy Analysis Matrix (PAM) in a small watershed in Wat Chan, northern Thailand. Chiang Mai:Chiang Mai University, 2000.
Benchaphun Ekasingh. (2000) An analysis of land use systems using Policy Analysis Matrix (PAM) in a small watershed in Wat Chan, northern Thailand (รายงานผลงานวิจัย). Chiang Mai University:Chiang Mai.