On the existene of electric charge http://localhost:8080/xmlui/handle/123456789/2973 2026-04-04T11:45:39Z 2026-04-04T11:45:39Z On the existence of electric charge Durrani I.R http://localhost:8080/xmlui/handle/123456789/2974 2013-08-16T09:26:31Z 2013-08-16T00:00:00Z On the existence of electric charge Durrani I.R 2013-08-16T00:00:00Z