Khalu,A . (1993). Concrete sulfide. Sharif Journal of Civil Engineering, Vol. 9(5), 88-89.
Khalu,A . "Concrete sulfide", Sharif Journal of Civil Engineering, Vol. 9, 5, 1993, 88-89.
Khalu A. (1993). 'Concrete sulfide', Sharif Journal of Civil Engineering, Vol. 9(5), pp. 88-89.
A Khalu, "Concrete sulfide," Sharif Journal of Civil Engineering, Vol. 9 5 (1993): 88-89,
Khalu A. Concrete sulfide. Sharif Journal of Civil Engineering. 1993;Vol. 9(5):88-89 (In Persian).