Chektae, Sufuwan, and Ekkarin Sungtong. 2023. “IMPLEMENTATION OF EDUCATIONAL INNOVATION OF LESSON STUDY AND OPEN APPROACH: A CASE STUDY OF ELEMENTARY SCHOOLS UNDER THE OFFICE OF THE PRIVATE EDUCATION SONGKHLA PROVINCE”. Journal of MCU Nakhondhat 10 (3). Nakhon Si Thammarat, Thailand:63-80. https://so03.tci-thaijo.org/index.php/JMND/article/view/268310.