National Journal 2009 2009 Supawadee Boonyachut, Sutja Boonyachut, Winai Ouypornprasert, Suchart Thaipet, Charunee Vongkaluang, Suwanna Umphauk and Bounsong Sompoh, (2009),” Glue Laminated Wood Girder from Neem and Azadirachta Excelsa Jack Jacobs“, Journal of the National Research Council of Thailand Vol 41, No.1, January-June, pp 57-74.