Manit Pulsawad และ Varong Pavarajarn. (2013) Production of carbon fibers from eucalyptus bark lignin by electrospinning. Chulalongkorn University:ม.ป.ท.Manit Pulsawad และ Varong Pavarajarn. 2013. Production of carbon fibers from eucalyptus bark lignin by electrospinning. ม.ป.ท.:Chulalongkorn University;Manit Pulsawad และ Varong Pavarajarn. Production of carbon fibers from eucalyptus bark lignin by electrospinning. ม.ป.ท.:Chulalongkorn University, 2013. Print.