Tofighi, A. A. (1993). Technology transfer challenges and bottlenecks. Sharif Journal of Mechanical Engineering, 9(4), 30–33.
Tofighi, A. A. "Technology transfer challenges and bottlenecks", Sharif Journal of Mechanical Engineering, 9, 4, 1993, 30–33.
Tofighi, A. A. (1993). 'Technology transfer challenges and bottlenecks', Sharif Journal of Mechanical Engineering, 9(4), pp. 30–33.
Tofighi, A. A., "Technology transfer challenges and bottlenecks." Sharif Journal of Mechanical Engineering, 9 4 (1993): 30–33,
Tofighi A. A. Technology transfer challenges and bottlenecks. Sharif Journal of Mechanical Engineering. 1993;9(4):30–33 (In Persian).
