Awang, Masriah, Zainazlan Md Zain, and Nur Sa’aidah Ismail. “A Study of Climate Data Using Least Square Method and the Fast Fourier Transform”. Scientific Research Journal 6, no. 2 (December 31, 2009): 31–43. Accessed November 21, 2024. https://journal.uitm.edu.my/ojs/index.php/SRJ/article/view/3407.