... teaching Cooperative teaching has been mentioned by Nguyen Huu Chau, Nguyen Van Cuong, Tran Ba Hoanh, Nguyen Ba Kim, Lam Quang Thiep, Thai Duy Tuyen The teaching at the primary school level in ... dictionary, group means that many groups are involved in a joint action According to Tran Ba Hoanh, "group" is a small collective form to perform a certain task in a certain time [39] Thus, our ... teaching school This view is also acknowledged by some theorists such as Thai Duy Tuyen Tran Ba Hoanh, Teaching cooperation is the interference between teaching methods and forms of teaching In...