Chatwit Pochan และ Jirawat Chewaroungroaj. (2005) Application of Rock Mechanics Algorithm to Optimize Drilling Rate of Penetration. Chulalongkorn University:ม.ป.ท.Chatwit Pochan และ Jirawat Chewaroungroaj. 2005. Application of Rock Mechanics Algorithm to Optimize Drilling Rate of Penetration. ม.ป.ท.:Chulalongkorn University;Chatwit Pochan และ Jirawat Chewaroungroaj. Application of Rock Mechanics Algorithm to Optimize Drilling Rate of Penetration. ม.ป.ท.:Chulalongkorn University, 2005. Print.