RT Journal Article SR Electronic A1 ZUBATÁ, Anna T1 ACTIVE TEACHING METHODS: COOPERATION IN GROUPS OF PUPILS JF Journal of Technology and Information Education YR 2012 VO 4 IS 2 SP 70 OP 70 DO 10.5507/jtie.2012.037 UL https://jtie.upol.cz/artkey/jti-201202-0013.php AB