Ramamrutham S, Narayan R, . (1989). Strength of Materials. Delhi: DHANPAT RAI & SONS.
Ramamrutham S, Narayan R, . 1989. Strength of Materials. Delhi: DHANPAT RAI & SONS.
Ramamrutham S, Narayan R, . Strength of Materials. Delhi: DHANPAT RAI & SONS. 1989.