Abdullah F, Yaman M, Sanusi ANZ, Asif N, Salim F. Significant Design Values for Outdoor Learning Environment in Higher Learning Institutions. JAPCM [Internet]. 2021 Aug. 5 [cited 2024 Nov. 30];11(1). Available from: https://journals.iium.edu.my/kaed/index.php/japcm/article/view/629