O. H. Mohammed and F. S. Fadhel, “THE COLLOCATION METHOD FOR SOLVING NONHOMOGENEOUS FUZZY BOUNDARY VALUE PROBLEMS”, Al-Nahrain J. Sci., vol. 13, no. 2, pp. 229–234, Jun. 2010, Accessed: May 22, 2026. [Online]. Available: https://anjs.edu.iq/index.php/anjs/article/view/1124