BIN ABD RAHMAN MAA, Mohd Fahmi Bin Abdul Rahman. An Investigation into the Performance and Problems of the Elevator System at PPR Sinar Intan Residential. peat [Internet]. 2025 Apr. 29 [cited 2026 Aug. 15];6(1):200-8. Available from: https://periodical.uthm.edu.my/index.php/peat/article/view/19241