Xiaoxiang, Q. ., Y. . Junjia, N. A. . Haron, and N. A. . Bakar. “Customer Perceived Value Theory and PSO-LightGBM Algorithm-Based Approach to Evaluating Satisfaction Factors With Net-Zero Energy Building Retrofits”. Edelweiss Applied Science and Technology, vol. 9, no. 3, Mar. 2025, pp. 2508-30, doi:10.55214/25768484.v9i3.5835.