Wipawee Songsaeng และ Wattasit Siriwong. (2018) Work-related musculoskeletal disorders among coffee harvesters in Chiang Rai, Thailand: Prevalence, severity, and risk factors. <i>Journal of Health Research</i>, <i>32</i>(Suppl.1), S112.Wipawee Songsaeng และ Wattasit Siriwong. "Work-related musculoskeletal disorders among coffee harvesters in Chiang Rai, Thailand: Prevalence, severity, and risk factors". Journal of Health Research 32 (2018):S112.Wipawee Songsaeng และ Wattasit Siriwong. Work-related musculoskeletal disorders among coffee harvesters in Chiang Rai, Thailand: Prevalence, severity, and risk factors. Chulalongkorn University Press:ม.ป.ท. 2018.