Efficiency of learning environment using GeoGebra when calculus contents are learned in collaborative groups.

Djurdjica Takaci Gordana Stankov Ivana Milanovic Efficiency of learning environment using GeoGebra when calculus contents are learned in collaborative groups. 421-431 2015 82 Comput. Educ. https://doi.org/10.1016/j.compedu.2014.12.002 https://www.wikidata.org/entity/Q112880783 db/journals/ce/ce82.html#TakaciSM15