Somphob Yongstar. 2005. Factors influencing wild elephants come out from the forest to cropland during the dry season : a case study of Southern Kaeng Krachan National Park. Field of Study Natural Resource Management, Mahidol University;
Somphob Yongstar. (2005) Factors influencing wild elephants come out from the forest to cropland during the dry season : a case study of Southern Kaeng Krachan National Park . Mahidol University/Bangkok.
Somphob Yongstar. Factors influencing wild elephants come out from the forest to cropland during the dry season : a case study of Southern Kaeng Krachan National Park. . Bangkok:Mahidol University, 2005.
Somphob Yongstar. (2005) Factors influencing wild elephants come out from the forest to cropland during the dry season : a case study of Southern Kaeng Krachan National Park . Mahidol University/Bangkok.