[Online] Free course text ④ What essential oils can be used for corona?

We have created 10 types of "ZOOM Enlightenment / Dissemination Free Course Textbooks" that can be used by instructors.
Considering that member instructors can use ZOOM to give free lectures and improve their instructor skills,
The association made a textbook.
It is 10 times in total.
The fourth time, it will be the text "What essential oils can be used for corona?"
"What essential oils can be used for corona? Please register as a general user and download the text.