Abd Halim, Muhammad Syawal, Normi Abdul Hadi, Asmahani Nayan, and Lyudmila Varlamova. “Cubic Trigonometric Triangular Spline With Rational Basis Functions in 3-Dimensional Space”. Journal of Advanced Research in Applied Sciences and Engineering Technology (October 8, 2024): 74–90. Accessed November 5, 2024. https://semarakilmu.com.my/journals/index.php/applied_sciences_eng_tech/article/view/6953.