Ladin, Mohd Azizul, Shaban Ismael Albrka, Amiruddin Ismail, and Riza Atiq Abdullah O.K. Rahmat. 2014. “Developing a Model for Planting Trees Along the Walkway”. Jurnal Teknologi 69 (2). https://doi.org/10.11113/jt.v69.3117.