Tawfiq, A. A. (1993). Technology transfer challenges and bottlenecks. Sharif Journal of Industrial Engineering & Management, vol. 9(4), 30–33.

Tawfiq, A. A. "Technology transfer challenges and bottlenecks", Sharif Journal of Industrial Engineering & Management, vol. 9, 4, 1993, 30–33.

Tawfiq, A. A. (1993). 'Technology transfer challenges and bottlenecks', Sharif Journal of Industrial Engineering & Management, vol. 9(4), pp. 30–33.

Tawfiq, A. A., "Technology transfer challenges and bottlenecks." Sharif Journal of Industrial Engineering & Management, vol. 9 4 (1993): 30–33,

Tawfiq A. A. Technology transfer challenges and bottlenecks. SJIE. 1993;vol. 9(4):30–33 (In Persian).