วายุภักตร์ ช. The Effective Executive in Action: A Journal for Getting the Right Things Done โดย Peter F. Frucker and Joseph A. Maciariello. MBA-KKU Journal, Khon Kaen, Thailand, v. 12, n. 2, p. 163–172, 2020. Disponível em: https://so04.tci-thaijo.org/index.php/mbakkujournal/article/view/234528. Acesso em: 1 oct. 2026.