Buapong, P., and K. Chienwattanasook. “eachers eadership and ork nvironment hat nfluence the ffectiveness of eachers erformance in econdary chool evel”. ournal of anagement cience akhon athom ajabhat niversity, ol. 8, no. 1, June 2021, pp. 50-62, doi:10.14456/jmsnpru.2021.27.