Course #2 – pre-recorded, Course:https://echo360.org/section/50bdec3d-687d-4250-b3b3-6cd1134da2d0/home, Notes:https://www.dropbox.com/s/nmxarrau1tykcv5/IVS, 20Online, 20Course, 20, 232, 202020, 20NOTES.pdf?dl=0