สายยุทธ พ.; หาญพิชาญชัย ก.; วิบูลย์อุทัย จ. Quantity of Bioaerosol and Indoor Air Quality in Hospital : Case Study of Nakornping Hospital, Chiang Mai. The office of disease prevention and control 9th Nakhon Ratchasima Journal 2020, 26, 14-24.