Weerapong Panichaporn และผู้แต่งคนอื่นๆ. (2015) Drilling simulation and user program of downhole pressure estimation in directional drilling. Chulalongkorn University:ม.ป.ท.Weerapong Panichaporn และผู้แต่งคนอื่นๆ. 2015. Drilling simulation and user program of downhole pressure estimation in directional drilling. ม.ป.ท.:Chulalongkorn University;Weerapong Panichaporn และผู้แต่งคนอื่นๆ. Drilling simulation and user program of downhole pressure estimation in directional drilling. ม.ป.ท.:Chulalongkorn University, 2015. Print.