Hartu hau. : Violence in Schools [electronic resource] : Cross-National and Cross-Cultural Perspectives / edited by Florence L. Denmark, Herbert H. Krauss, Robert W. Wesner, Elizabeth Midlarsky, Uwe P. Gielen.

Izenburua : Violence in Schools [electronic resource] : Cross-National and Cross-Cultural Perspectives / edited by Florence L. Denmark, Herbert H. Krauss, Robert W. Wesner, Elizabeth Midlarsky, Uwe P. Gielen.

Sailkapena : Ez dago telefono-zenbakirik.

Egoera : Ezezaguna