AGGARWAL, S., & GUPTA, P. (1994). Strength of materials.-- ed.1. Metropolitan Book.

AGGARWAL, S.K, and P.K GUPTA. Strength of Materials.-- Ed.1. New Delhi: Metropolitan Book, 1994.

AGGARWAL, S.K, and P.K GUPTA. Strength of Materials.-- Ed.1. Metropolitan Book, 1994.