CIMA OCS Course , CIMA OCS Course VIVA , CIMA Operational Case Study September 24, 2020 https://www.youtube.com/watch?v=vs-KRMngwiM
CIMA OCS Course , CIMA OCS Course Astranti , CIMA Operational Case Study Course July 7, 2020 https://youtu.be/VN8r49VnBSQ