Meesang W, Navakakam N. TYPE AND QUANTITY OF BACTERIA IN AIR FROM THE MAIN SERVICE ACTIVITIES IN THE OFFICE, CASE STUDY: FACULTY OF SCIENCE’S OFFICE UDON THANI RAJAHAT UNIVERSITY, SAM PHRAO CAMPUS. PRRJ(Sci&Tech) [internet]. 2022 Jun. 27 [cited 2026 Sep. 11];17(1):1-9. available from: https://li01.tci-thaijo.org/index.php/PRRJ_Scitech/article/view/251447