The authors can send this video to the teams before the program. This is a visually instructive and easy-to-understand tutorial video.
You can download the original file by clicking the link: DOWNLOAD https://youtu.be/yhiSs3j_Eqc
A concise 3-step process on an A4 sheet.
Download the Vietnamese version:https://docs.google.com/presentation/d/1z0-Ht4TESRghL19VwXiF74oRtLHPyHb5/edit#slide=id.p1
Download the English version: https://docs.google.com/presentation/d/1I4nMjP-G8qNnrvoVCQcI6FiKYiT9838w/edit#slide=id.p1