K. Ruengpayungsak และผู้แต่งคนอื่นๆ. (2025) Influence of Delta Winglets on Improving heat transfer and friction factor characteristics in tubular heat exchanger. <i>Journal of Research and Applications in Mechanical Engineering (JRAME)</i>, <i>13</i>(2), JRAME-25-13-028 (p.1-15).K. Ruengpayungsak และผู้แต่งคนอื่นๆ. "Influence of Delta Winglets on Improving heat transfer and friction factor characteristics in tubular heat exchanger". Journal of Research and Applications in Mechanical Engineering (JRAME) 13 (2025):JRAME-25-13-028 (p.1-15).K. Ruengpayungsak และผู้แต่งคนอื่นๆ. Influence of Delta Winglets on Improving heat transfer and friction factor characteristics in tubular heat exchanger. Thai Society of Mechanical Engineers (TSME):ม.ป.ท. 2025.