S. Suwannapan และ S. Skullong and P. Promvonge. (2015) Thermal characteristics in a heat exchanger tube fitted with zigzag-winglet perforated-tapes. <i>Journal of Research and Applications in Mechanical Engineering</i>, <i>3</i>(1), 29-36.S. Suwannapan และ S. Skullong and P. Promvonge. "Thermal characteristics in a heat exchanger tube fitted with zigzag-winglet perforated-tapes". Journal of Research and Applications in Mechanical Engineering 3 (2015):29-36.S. Suwannapan และ S. Skullong and P. Promvonge. Thermal characteristics in a heat exchanger tube fitted with zigzag-winglet perforated-tapes. Thai Society of Mechanical Engineers:ม.ป.ท. 2015.