Al-Sayif AA, Al-Ballowi MKA. The Productive School: An Analytical Reading of Global Experiences in Light of the Proposed Index (PSII) for Measuring the Quality of Investment in Educational Institutions. Arts [Internet]. 2026 Jun. 12 [cited 2026 Aug. 15];14(2):173-89. Available from: https://journal.tu.edu.ye/index.php/artsmain/article/view/3228