Science and technology :
Singh, Ashok Kumar
Science and technology : for civil services examinations. - 1st ed. - Chennai : McGraw Hill Education (India) Pvt. Ltd., 2017. - viii, 647 p. ; 14*23 cm.
It includes bibliography, appendix
9780070655485
Science
Technology
Science and technology
Science and technology for civil services examinations
600.15 / SIN
Science and technology : for civil services examinations. - 1st ed. - Chennai : McGraw Hill Education (India) Pvt. Ltd., 2017. - viii, 647 p. ; 14*23 cm.
It includes bibliography, appendix
9780070655485
Science
Technology
Science and technology
Science and technology for civil services examinations
600.15 / SIN