SAIKAEW,PH.D., C. An Approach for Prize Ranking Analysis Using Principal Components. Engineering and Applied Science Research, [S. l.], v. 32, n. 6, p. 793–801, 2013. Disponível em: https://ph01.tci-thaijo.org/index.php/easr/article/view/6242. Acesso em: 1 oct. 2026.