Nguyen Huynh Anh; Nguyen Ba Khoa; Nguyen Hien Phong; Nguyen Phan Tri; Ngo Thi Loan; Nguyen Thanh Tung; Nguyen Van Hung. Research and Build a Testing Equipment System for Determining Paraffin Deposition Rate of Crude Oil (cold Finger). PVJ 2021, 2, 41 - 50.