Visible learning: A synthesis of over 800 meta-analyses relating to achievement
Completion requirements
Hattie, J. (2010). Visible learning: A synthesis of over 800 meta-analyses relating to achievement. Routledge.
Click https://books.google.com.vn/books?id=x6rpxF-bpr4C&printsec=frontcover&hl=vi link to open resource.