Angkhuranawin A, Sittitune T. A STUDY OF THE RELATIONSHIP OF THE SCHOOL ADMINISTRATION AND EFFECTIVENESS OF THE SCHOOL ADMINISTRATION UNDER THE OFFICE OF SAMUT PRAKAN PRIMARY EDUCATIONAL SERVICE AREA OFFICE 1. Education MCU [Internet]. 2021 Aug. 21 [cited 2024 Apr. 20];8(2):268-80. Available from: https://so02.tci-thaijo.org/index.php/EDMCU/article/view/251136