AZIZ, I., ISLAM, S. U., FAYYAZ, M., & AZRAM, M. (2014). New Algorithms for Numerical Assessment of Nonlinear Integro-Differential Equations of Second-Order using Haar Wavelets. Walailak Journal of Science and Technology (WJST), 12(11), 995–1007. Retrieved from https://wjst.wu.ac.th/index.php/wjst/article/view/1065