Thanudcha Khunmek และ Suwat Athichanagorn. (2012) Optimal Electrical Submersible Pump (ESP) design using variable speed technique for varing well conditions. Chulalongkorn University:ม.ป.ท.Thanudcha Khunmek และ Suwat Athichanagorn. 2012. Optimal Electrical Submersible Pump (ESP) design using variable speed technique for varing well conditions. ม.ป.ท.:Chulalongkorn University;Thanudcha Khunmek และ Suwat Athichanagorn. Optimal Electrical Submersible Pump (ESP) design using variable speed technique for varing well conditions. ม.ป.ท.:Chulalongkorn University, 2012. Print.