Chopra, J.K.
General science and technology edited by J.K. Chopra - 1st ed. - New Delhi: Unique Publisher (I) Pvt. Ltd. 2019 - 315p. - Unique Quintessence of General Studies 2019 paper-1 .
For UPSC civil services preliminary examination
9789388624237
A0aF / Q9.1
General science and technology edited by J.K. Chopra - 1st ed. - New Delhi: Unique Publisher (I) Pvt. Ltd. 2019 - 315p. - Unique Quintessence of General Studies 2019 paper-1 .
For UPSC civil services preliminary examination
9789388624237
A0aF / Q9.1