สิริเตโช สุรชาติ. 2015. “A Study of Learning Behaviors The Primary School In Nongkeaw Subdistrict, Mueng District, Roi-Et Province”. Journal of Graduate MCU KhonKaen Campus 2 (1):1-12. https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/243097.