Pham Thi Thanh Phuong และ Wimolrat Puwarawuttipanit. (2016) The relationship between self-efficacy,depression anxiety and quality of life in patients with chronic obstructive pulmonary disease. Mahidol University:ม.ป.ท.Pham Thi Thanh Phuong และ Wimolrat Puwarawuttipanit. 2016. The relationship between self-efficacy,depression anxiety and quality of life in patients with chronic obstructive pulmonary disease. ม.ป.ท.:Mahidol University;Pham Thi Thanh Phuong และ Wimolrat Puwarawuttipanit. The relationship between self-efficacy,depression anxiety and quality of life in patients with chronic obstructive pulmonary disease. ม.ป.ท.:Mahidol University, 2016. Print.