ppt: https://docs.google.com/presentation/d/1o0f3ZjYSueCBncU4Mmwqh3uf5mByunin/edit?usp=sharing&ouid=110835173471933525614&rtpof=true&sd=true
pdf: https://drive.google.com/file/d/1z8o67hyhkE_gqi7-ldLSOWyH0cV95IYr/view?usp=sharing
PPT: https://docs.google.com/presentation/d/1orPPHNL3UzV_1PlKz49Zhwwru5ZVRlNq/edit?usp=sharing&ouid=110835173471933525614&rtpof=tr...