[1]
R. Kulladarom and M. Maiprasert, “QUALITY OF DRINKING WATER IN ELEMENTARY SCHOOLS IN LADKRABANG, KHLONG SAM WA AND NONG CHOK DISTRICTS IN BANGKOK”, วารสารสุทธิปริทัศน์, vol. 34, no. 111, pp. 126–134, Sep. 2020.