TI - Study of the physical structure and performance of vertical wind turbines evaluated by bio-mimicry Dipterocarpus alatus, Part 1 AU - LUNGCHAVANON, M. AU - TECHATO, K. AU - MANOSROI, W. AU - RATCHAİ, E. AU - KORKUA, S.K. SO - Sigma Journal of Engineering and Natural Sciences 2026;44:1561-1571. DO - 10.14744/sigma.2026.2052