Ramamrutham S, Narayanan R, . (1994). Strength of Materials. Delhi: Dhanpat Rai & Sons.
Ramamrutham S, Narayanan R, . 1994. Strength of Materials. Delhi: Dhanpat Rai & Sons.
Ramamrutham S, Narayanan R, . Strength of Materials. Delhi: Dhanpat Rai & Sons. 1994.