Aksah, Hasnizan, Adi Irfan Che Ani, Suhana Johar, and Siti Hamidah Husain. “Evaluating the Content Validity: Development of An Instrument for Measuring Functional Building Performance”. International Journal of Global Optimization and Its Application 2, no. 1 (March 31, 2023): 12–19. Accessed March 29, 2024. https://journal.srnintellectual.com/index.php/ijgoia/article/view/161.