00381nam a22001337a 4500020001800000041001200018082001800030100002000048245002700068260003300095300001600128650004200144650006100186  a9789352864614  aEnglish  a001.2bSHE/SC  aSheelwant Singh  aScience and technology  aUttar PradeshbPearsonc2019  axviii, 4.16  aProgression of Science and Technology  aRecent Research and Devlopment in science and Technology