Tay Kim Gaik, Lim Kian Boon, and Rosmila Abdul Kahar, NUMERICAL METHODS USING CASIO FX-570ES CALCULATOR. Penerbit UTHM, 2011. Accessed: Jul. 18, 2024. [Online]. Available: https://penerbit.uthm.edu.my/omp/index.php/penerbituthm/catalog/book/69