Vafai,A . (1999). Education in Iran: Bottlenecks and solutions. Sharif Journal of Civil Engineering, Vol. 15(No. 16), 20-24.
Vafai,A . "Education in Iran: Bottlenecks and solutions", Sharif Journal of Civil Engineering, Vol. 15, No. 16, 1999, 20-24.
Vafai A. (1999). 'Education in Iran: Bottlenecks and solutions', Sharif Journal of Civil Engineering, Vol. 15(No. 16), pp. 20-24.
A Vafai, "Education in Iran: Bottlenecks and solutions," Sharif Journal of Civil Engineering, Vol. 15 No. 16 (1999): 20-24,
Vafai A. Education in Iran: Bottlenecks and solutions. Sharif Journal of Civil Engineering. 1999;Vol. 15(No. 16):20-24 (In Persian).