00517nam a22002057a 4500 OSt 220422b |||||||| |||| 00| 0 eng d 9789380801520 333.79 A26U Agrawal, Vipin. Urja ke Vividh Aayaam / by Vipin Agrawal 1st ed. .- New Delhi : Shivank Prakashan , 2021 v,172p. Social Sciences Economics Energy Power Resources ddc BK 24589 24589 0 0 ddc 0 0 RAU RAU 2022-04-22 S. S. P. Delhi 650.00 0 333.79 A26U 77989 2022-04-22 2022-04-22 BK