Begun, R. W., & Huml, F. J. (1998). Ready-to-use violence prevention skills lessons and activities for secondary students. West Nyack, N.Y.: Center for Applied Research in Education.
Παραπομπή Chicago StyleBegun, Ruth Weltmann,, και Frank J. Huml. Ready-to-use Violence Prevention Skills Lessons and Activities for Secondary Students. West Nyack, N.Y.: Center for Applied Research in Education, 1998.
Παραπομπή MLABegun, Ruth Weltmann,, και Frank J. Huml. Ready-to-use Violence Prevention Skills Lessons and Activities for Secondary Students. West Nyack, N.Y.: Center for Applied Research in Education, 1998.
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