Phengsalung T. Academic Management Strategies to Improve Learning Achievement of Students at Nong Kung Sri Wittayakarn School Kalasin Secondary Educational Service Area Office. IARJ [internet]. 2024 Oct. 16 [cited 2026 Oct. 1];4(5):293-318. available from: https://so03.tci-thaijo.org/index.php/IARJ/article/view/273685