ธนธิติกร ช, ศุภพงษ์ ส, เจียมจริยธรรม ณ. Prevalence and related factors of excessive daytime sleepiness among bus drivers in Bangkok. Dis Control J [Internet]. 2013 Dec. 31 [cited 2024 Apr. 28];39(4):272-80. Available from: https://he01.tci-thaijo.org/index.php/DCJ/article/view/154987