Amalina Azmi, Peter Aning Tedong, and Zafirah Al Sadat Zyed, The Strata Housing Attributes for Elderly to Age In Place. Penerbit UTHM, 2025. Accessed: Aug. 26, 2026. [Online]. Available: https://monograph.uthm.edu.my/index.php/penerbituthm/catalog/book/575