Hafizan Juahir และผู้แต่งคนอื่นๆ. (2010) Hydrological Trend Analysis Due to Land Use Changes at Langat River Basin. <i>EnvironmentAsia</i>, <i>3</i>(special issue), p20-31.Hafizan Juahir และผู้แต่งคนอื่นๆ. "Hydrological Trend Analysis Due to Land Use Changes at Langat River Basin". EnvironmentAsia 3 (2010):p20-31.Hafizan Juahir และผู้แต่งคนอื่นๆ. Hydrological Trend Analysis Due to Land Use Changes at Langat River Basin. Thai Society of Higher Education Institutes on Environment:ม.ป.ท. 2010.