To develop the ability to group and individual achievement for science. The matter of separation of students attending secondary school year school 2/3 less adoon. Using collaborative learning management with techniques STAD
Development of group work and scientific achievement of the separation of students in the school Ngainpcun 2/3 using cooperative learning techniques STAD.
Development of working ability and group achievement in science.The separation of secondary students 2 / 3 watnoinopakun school.Using cooperative learning techniques with STAD.