00413nam a22001457a 450000500170000000800410001702000180005804100080007608200170008410000230010124500740012425000120019826000420021030000150025220260619124907.0260619b        |||||||| |||| 00| 0 eng d  a9789327276312  aeng  a370.1bDHI/P  aDhir, Rama Chandra  aPedagogy of Physical Sciencec/ by Rama Chandra  Dhir and Sunakar Das  aReprint  aLudhiana,bKalyani Publishers;c2018.  aix, 5.75p.