@article{paperid:1048709, author = {Elina Khadivi Zand and Asgharinekah, Seyyed Mohsen}, title = {An Investigation into the Effect of Group Play Therapy on Aggression Reduction in Male Preschool Students}, journal = {International Journal of Educational Investigations}, year = {2015}, volume = {2}, number = {5}, month = {May}, issn = {2410-3446}, pages = {78--87}, numpages = {9}, keywords = {group play therapy; aggression; children.}, }