Lichi S, Jaiman P, Chairueng N. MODEL OF TEACHER COMPETENCY DEVELOPMENT IN THE TEACHER IN 21st CENTURY THE SCHOOL UNDER THE SECONDARY EDUCATIONALSERVICE AREA TRANG KRABI. JSC [internet]. 2025 Jun. 24 [cited 2026 Oct. 13];9(6):29-41. available from: https://so06.tci-thaijo.org/index.php/JSC/article/view/284657