More than a year ago58:04Shabana NisarLecture 19a, 27th Feb 20145 years ago52:13Shabana NisarLecture 14, 14th Feb 20145 years ago59:44Shabana NisarLecture 15a, 18th Feb 20145 years ago54:52Shabana NisarLecture 18a, 25th Feb 20145 years ago45:53Shabana NisarLecture 17, 21st Feb 20145 years ago12:08Shabana NisarLecture 18b, 25th Feb 20145 years ago57:29Shabana NisarLecture 16a, 20th Feb 20145 years ago13:32Shabana NisarLecture 15b, 18th Feb 20145 years ago08:57Shabana NisarLecture 16b, 20th Feb 20145 years ago38:00Shabana NisarLecture 11b, 7th Feb 20145 years ago14:24Shabana NisarLecture 13d, 13th Feb 20145 years ago13:39Shabana NisarLecture 13c, 13th Feb 20145 years ago14:52Shabana NisarLecture 13a, 13th Feb 20145 years ago57:41Shabana NisarLecture 12a, 11th Feb 20145 years ago00:26Shabana NisarLecture 13b, 13th Feb 20145 years ago11:10Shabana NisarLecture 12b, 11th Feb 20145 years ago04:40Shabana NisarLecture 10b, 6th Feb 20145 years ago00:26Shabana NisarLecture 11a, 7th Feb 20145 years ago55:09Shabana NisarLecture 10a, 6th Feb 20145 years ago14:12Shabana NisarLecture 9b, 4th Feb 20145 years ago56:58Shabana NisarLecture 9a, 4th Feb 20145 years ago47:55Shabana NisarLecture 8, 31st Jan 20145 years ago14:41Shabana NisarLecture 7b, 30th Jan 20145 years ago57:21Shabana NisarLecture 7a, 30th Jan 20145 years ago57:17Shabana NisarLecture 6b, 28th Jan 20145 years ago08:42Shabana NisarLecture 6c, 28th Jan 20145 years ago02:11Shabana NisarLecture 6a, 28th Jan 20145 years ago52:22Shabana NisarLecture 5, 24th Jan 20145 years ago07:21Shabana NisarLecture 4d, 23rd Jan 20145 years ago28:34Shabana NisarLecture 4c, 23rd Jan 20145 years ago