Norrlaili Shapiee, Nur Idayu Ah Khaliludin, Nurul Hajar, and Norhaslinda Zullpakkal. 2026. “Application of the Nonlinear Conjugate Gradient (NCG) Method in Structural Optimization”. Semarak International Journal of STEM Education 9 (1):48-55. https://semarakilmu.my/index.php/sijste/article/view/759.