{"id":117,"name":"CH11-3 Methods of seccondary research & factors influencing the accuracy of research data","extension":"mp4","fileType":"1","modifiedDate":"2022-03-25 18:55:00","ownerId":"3","publicity":"2","driveContentType":2,"recordedDate":"2022-03-30 10:53:19","recordedBy":"717","deletedTime":"2022-03-30 10:53:19"}