2 E-böcker av Wang Zhongdong
Wang Zhongdong: COVID-19 Infection Prevention Reader (Student Edition)
This book is a protection manual for students to deal with COVID-19. In the book, the characteristics of COVID-19, transmission channels and diagnostic standards of COVID-19, protective measures in …
EPUB
Kinesiska
DRM
€4.61
Sun Haiyan & Wu You: COVID-19 Infection Prevention Manual (English Version)
This book is a protection manual for students to deal with COVID-19. In the book, the characteristics of COVID-19, transmission channels and diagnostic standards of COVID-19, protective measures in …
EPUB
DRM
€7.02
