{"id":116,"name":"CH11-2 Mehtods of primary research","extension":"mp4","fileType":"1","modifiedDate":"2022-03-25 18:54:09","ownerId":"3","publicity":"2","driveContentType":2,"recordedDate":"2022-03-30 10:53:17","recordedBy":"717","deletedTime":"2022-03-30 10:53:17"}