Thongnuch, K., Sauphayana, S., & Usaho, K. (2025). An Academic Administration Model Affecting the Effectiveness of Learner Skills in the 21st Century Under the Secondary Educational Service Area Office Bangkok Metropolis. Ph.D. in Social Sciences Journal, 15(2), 485–496. retrieved from https://so05.tci-thaijo.org/index.php/phdssj/article/view/274394