Azura Md Ghani, Nor, Saadi Bin Ahmad Kamaruddin, Ismail Musirin, and Hishamuddin Hashim. 2019. “Conventional Neural Network Time Series Models on Roof Materials Costs Indices Data”. International Journal of Engineering & Technology 8 (1.7): 41-48. https://doi.org/10.14419/ijet.v8i1.7.25954.