Mehrad,J . (1996). Outline the importance of information and policy information. Sharif Journal of Civil Engineering, Vol.12(No . 13), 36-41.

Mehrad,J . "Outline the importance of information and policy information", Sharif Journal of Civil Engineering, Vol.12, No . 13, 1996, 36-41.

Mehrad J. (1996). 'Outline the importance of information and policy information', Sharif Journal of Civil Engineering, Vol.12(No . 13), pp. 36-41.

J Mehrad, "Outline the importance of information and policy information," Sharif Journal of Civil Engineering, Vol.12 No . 13 (1996): 36-41,

Mehrad J. Outline the importance of information and policy information. Sharif Journal of Civil Engineering. 1996;Vol.12(No . 13):36-41 (In Persian).