Napatharapee Thabngern และ Lamai Romyen; Sanyasorn Swasthaisong. (2022) Effects of Waste Management Knowledge and People’s Participation on People’s Waste Management Efficiency in Sakon Nakhon Municipality. <i>Interdisciplinary Academic and Research Journal</i>, <i>2</i>(5), 733-754.Napatharapee Thabngern และ Lamai Romyen; Sanyasorn Swasthaisong. "Effects of Waste Management Knowledge and People’s Participation on People’s Waste Management Efficiency in Sakon Nakhon Municipality". Interdisciplinary Academic and Research Journal 2 (2022):733-754.Napatharapee Thabngern และ Lamai Romyen; Sanyasorn Swasthaisong. Effects of Waste Management Knowledge and People’s Participation on People’s Waste Management Efficiency in Sakon Nakhon Municipality. DR.KEN Institute of Academic Development and Promotion:ม.ป.ท. 2022.