Tay Kim Gaik, Phang Chang, and Lim Kian Boon, NUMERICAL METHOD WITH CASIO FX-570ES PLUS CALCULATOR. Penerbit UTHM, 2017. Accessed: Jul. 01, 2024. [Online]. Available: https://publisher.uthm.edu.my/omp/index.php/penerbituthm/catalog/book/150