000 00587nam a22001457a 4500
999 _c26568
_d26568
020 _a9789352864614 (pbk)
082 _a624
_bSIN
100 _aSingh, Sheelwant
245 _aScience and technology
_bfor civil services preliminary and main examinations
260 _aNoida
_bPearson
_c2019
300 _axviii, various pages
_b: ill. (col.)
_c; 25 cm.
500 _aIncludes appendices.
650 _aScience-Technology
_aEnglish literature
_vRenewable resources
_vSpace technology
_vNuclear power
_vAir crafts
_vCommunication
_vBiotechnology
_vMetallurgy
_vSoftware
_vSatellite
_vRILL
942 _cBK