http://hdl.handle.net/123456789/4770 Mon, 06 Apr 2026 01:58:49 GMT 2026-04-06T01:58:49Z http://hdl.handle.net/123456789/5089 PHYSICS CHAPTER 45 Sat, 17 May 2014 00:00:00 GMT http://hdl.handle.net/123456789/5089 2014-05-17T00:00:00Z http://hdl.handle.net/123456789/5088 PHYSICS CHAPTER 44 Sat, 17 May 2014 00:00:00 GMT http://hdl.handle.net/123456789/5088 2014-05-17T00:00:00Z http://hdl.handle.net/123456789/5084 PHYSICS CHAPTER 43 Sat, 17 May 2014 00:00:00 GMT http://hdl.handle.net/123456789/5084 2014-05-17T00:00:00Z http://hdl.handle.net/123456789/5082 PHYSICS CHAPTER 42 Sat, 17 May 2014 00:00:00 GMT http://hdl.handle.net/123456789/5082 2014-05-17T00:00:00Z