Sakda Supapong-pichate และผู้แต่งคนอื่นๆ. (1993) Population growth, economic and social development and deforestation in Thailand. National Institute of Development Administration:ม.ป.ท.Sakda Supapong-pichate และผู้แต่งคนอื่นๆ. 1993. Population growth, economic and social development and deforestation in Thailand. ม.ป.ท.:National Institute of Development Administration;Sakda Supapong-pichate และผู้แต่งคนอื่นๆ. Population growth, economic and social development and deforestation in Thailand. ม.ป.ท.:National Institute of Development Administration, 1993. Print.