Siti Nur Afiqah Mat Naro, & Siti Hamidah Husain. (2024). Assessing Components of Energy-Efficient Retrofitting at Heritage Buildings in Buffer Zone of Penang: Aiming for Net-Zero Energy Building Status. Journal of Advanced Research Design, 119(1), 9–15. https://doi.org/10.37934/ard.119.1.915