Mahmoud Salman, S., Kadhim Salih, R., Hussain Salih, S. (2006). Developing a System of Nonlinear Delay Differential Equations Solved by Using Picard Method. , 2(27), 178-188.

Shakir Mahmoud Salman; Raghad Kadhim Salih; Shymaa Hussain Salih. "Developing a System of Nonlinear Delay Differential Equations Solved by Using Picard Method". , 2, 27, 2006, 178-188.

Mahmoud Salman, S., Kadhim Salih, R., Hussain Salih, S. (2006). 'Developing a System of Nonlinear Delay Differential Equations Solved by Using Picard Method', , 2(27), pp. 178-188.

Mahmoud Salman, S., Kadhim Salih, R., Hussain Salih, S. Developing a System of Nonlinear Delay Differential Equations Solved by Using Picard Method. , 2006; 2(27): 178-188.