Amir, A. F., Borhan , R. ., Hamzah , H. ., & Ravari , F. K. . (2022). The Tree Performance and Physical Attributes Determination for Outdoor Student Education Learning Centre Project Proposal . Environment-Behaviour Proceedings Journal, 7(20), 323–331. https://doi.org/10.21834/ebpj.v7i20.3422