1. Bangkok Mass Transit Authority,2022
2. Annual report 2019–2020,2020
3. Guideline for preventing and control of coronavirus-2019 disease (COVID-19). Nonthaburi, Thailand,2020
4. A review of Thailand's transport master plan for regional cities;Jittrapirom;International Review for Spatial Planning and Sustainable Development,2020
5. MRTA annual report 2020,2020