El-sayed, A. M. A., Hashem, H. H. G. and Ziada, E. A. A. (2012) “PICARD AND ADOMIAN DECOMPOSITION METHODS FOR A COUPLED SYSTEM OF QUADRATIC INTEGRAL EQUATIONS”, Journal of Nonlinear Analysis and Optimization: Theory & Applications (JNAO), 3(2), pp. 171–183. available at: https://ph03.tci-thaijo.org/index.php/jnao/article/view/2669 (accessed: 2 September 2026).