สังข์สุวรรณ ว. Process Improvement of Internal Audit for Airport Ramp Safety. Journal of Food Health and Bioenvironmental Science, Bangkok, Thailand, v. 9, n. 1, p. 87–103, 2016. Disponível em: https://li01.tci-thaijo.org/index.php/sdust/article/view/177669. Acesso em: 25 feb. 2024.