ลือสวัสดิ์ ส., จุติผล อ., and เกตแก้ว ว., “School Administrators’ Academic Administration Based on Teachers’ Opinions Under The Offi ce of Krabi Primary Educational Service Area”, RMUTT J Hum Soc Sci, vol. 5, no. 2, pp. 15–27, Dec. 2018.