Worapong Athihirunwong และ Pratuang Puthson. (2011) Assessment of wood density, syringyl/guaiacyl ratio of lignin and fiber characteristics from eucalyptus hybrids using near infrared spectroscopy. Kasetsart University,:ม.ป.ท.Worapong Athihirunwong และ Pratuang Puthson. 2011. Assessment of wood density, syringyl/guaiacyl ratio of lignin and fiber characteristics from eucalyptus hybrids using near infrared spectroscopy. ม.ป.ท.:Kasetsart University,;Worapong Athihirunwong และ Pratuang Puthson. Assessment of wood density, syringyl/guaiacyl ratio of lignin and fiber characteristics from eucalyptus hybrids using near infrared spectroscopy. ม.ป.ท.:Kasetsart University, 2011. Print.