Patthanan Porkar และผู้แต่งคนอื่นๆ. (2011) Improvement of the quality and precision of biomass and carbon equations: case study of mixed-deciduous degraded forest of Thailand. <i>Environment and Natural Resources Journal</i>, <i>9</i>(2), 39.Patthanan Porkar และผู้แต่งคนอื่นๆ. "Improvement of the quality and precision of biomass and carbon equations: case study of mixed-deciduous degraded forest of Thailand". Environment and Natural Resources Journal 9 (2011):39.Patthanan Porkar และผู้แต่งคนอื่นๆ. Improvement of the quality and precision of biomass and carbon equations: case study of mixed-deciduous degraded forest of Thailand. คณะสิ่งแวดล้อมและทรัพยากรศาสตร์:ม.ป.ท. 2011.