@article{TM2_2004_VII_2_a2,
     author = {{\DJ}or{\dj}e Kadijevi\'c},
     title = {What {Factors} may {Influence} {Collaborative} {Problem} {Solving} {Performance?}},
     journal = {The Teaching of Mathematics},
     pages = {95 },
     publisher = {mathdoc},
     volume = {VII},
     number = {2},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TM2_2004_VII_2_a2/}
}