ตาชม ค, ยืนศักดิ์ ส. Attitude and actual practices of classroom action research of English teachers. Trends Humanit Soc Sci Res [internet]. 2019 Jun. 21 [cited 2026 Sep. 4];6(1):21-4. available from: https://so03.tci-thaijo.org/index.php/Humanties-up/article/view/196619