Accuracy of estimating a human-sighted visual range for short-term particulate matter concentration in Chiang Mai, Thailand Journal title: International Journal of Public Health Asia Pacific (IJPHAP) Authors: Theerawasttanasiri Nonthaphat , Pattara-anantanop Nongnutch, Chamnankong Kingpikul, Samdangsuk Ithaw... Subject(s): Medicine, Epidemiology, Public Health and Community Medicine, Geoinformatics, Health Care Sciences & Services, Public, Environmental & Occupational Health
