Apiwan Pichayadecha และ Angsumalin Senjuntichai. (2014) Grouping eucalyptus species in kraft pulp process for cost reduction. <i>KKU Engineering Journal</i>, <i>41</i>(4), 437-447.Apiwan Pichayadecha และ Angsumalin Senjuntichai. "Grouping eucalyptus species in kraft pulp process for cost reduction". KKU Engineering Journal 41 (2014):437-447.Apiwan Pichayadecha และ Angsumalin Senjuntichai. Grouping eucalyptus species in kraft pulp process for cost reduction. Faculty of Engineering, Khon Kaen University:ม.ป.ท. 2014.