Martin, Jacqueline Lee2006-07-282006-07-2819971997http://hdl.handle.net/10012/174application/pdf12598261 bytesapplication/pdfenCopyright: 1997, Martin, Jacqueline Lee. All rights reserved.Harvested from Collections CanadaYoung children's aggression and self-assertion during sibling conflict, sex differences and parents' reactionsDoctoral Thesis