Rakshit, Pornpidcha, and Premyot Piemnithikul. “Prevalence and Factors Associated with Medical Unfitness among Seafarers in Thailand”. Journal of Preventive Medicine Association of Thailand 15, no. 2 (August 30, 2025): 247–263. accessed September 18, 2026. https://he01.tci-thaijo.org/index.php/JPMAT/article/view/279190.