Mostaffa, M. F. ., Shareh Musa, S. M. ., Zainal, R., Kasim, N., Mohd Noh, H., & Md Yassin, A. (2021). E-SPAH: Aesthetic Innovation in UTHM’s Small-scale Rainwater Harvesting System. International Journal of Integrated Engineering, 13(5), 239-246. https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/9123