Gopal Ranjan, Rao ASR, . (1993). Basic and Applied Soil Mechanics. New Delhi: WILEY EASTERN.
Gopal Ranjan, Rao ASR, . 1993. Basic and Applied Soil Mechanics. New Delhi: WILEY EASTERN.
Gopal Ranjan, Rao ASR, . Basic and Applied Soil Mechanics. New Delhi: WILEY EASTERN. 1993.