Salehi,A A and Kayvani,J . (1997). Graduate Studies in the past and future (1). Sharif Journal of Civil Engineering, Vol.13(No . 14), 3-23.

Salehi,A A , and Kayvani,J . "Graduate Studies in the past and future (1)", Sharif Journal of Civil Engineering, Vol.13, No . 14, 1997, 3-23.

Salehi A A, Kayvani J. (1997). 'Graduate Studies in the past and future (1)', Sharif Journal of Civil Engineering, Vol.13(No . 14), pp. 3-23.

A A Salehi and J Kayvani, "Graduate Studies in the past and future (1)," Sharif Journal of Civil Engineering, Vol.13 No . 14 (1997): 3-23,

Salehi A A, Kayvani J. Graduate Studies in the past and future (1). Sharif Journal of Civil Engineering. 1997;Vol.13(No . 14):3-23 (In Persian).