N. Klnchampa, D. Lamkham, R. Promakotr, and N. . Sriwicha, “Knowledge and Behavior of Community Waste Management Pa Mai Ngam Sub-district, Mueang District, Nong Bua Lamphu Province”, The office of disease prevention and control 9th Nakhon Ratchasima Journal, vol. 26, no. 2, pp. 5–12, May 2020.