Surendren NN, Karupaiah T. Eco-MagneTech Playground: A Prototype for Integrating STEM and Sustainability in Primary Education. PIJED [Internet]. 2026 Feb. 3 [cited 2026 Aug. 25];5(1):1-16. Available from: https://www.ejournal.ppsdp.org/index.php/pijed/article/view/878