Klnchampa, Natsaphong, Danai Lamkham, Rattapon Promakotr, and Nittaya Sriwicha. 2020. “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 26 (2):5-12. https://he02.tci-thaijo.org/index.php/ODPC9/article/view/226870.