• https://repository.iou.edu.gm/items/956e4e85-9716-4733-bc03-cca2b776b04c
• https://repository.iou.edu.gm/items/2b588c70-c78a-4231-b355-efdd58f0124d
• https://repository.iou.edu.gm/items/dd705c83-907e-4127-a23c-849a73c39995
• https://repository.iou.edu.gm/items/788fee84-afa0-463e-8b9b-380b1677c33a