Jaidee , Puttitaporn, and Thirasak Uppamaiathichai. 2023. “The Study of Academic Administrations for Developing English Learning Achievement in the Ordinary National Educational Test (O-Net) of Primary 6 Students of Schools Under the Phichit Primary Educational Service Area Office 1”. Journal of Modern Learning Development 8 (5):133-43. https://so06.tci-thaijo.org/index.php/jomld/article/view/260261.