9Harrison,S.,Ballantyne,J."Effective teacher attributes: perceptions of early-career and pre-service music teachers" Teacher education: Local and global, 2005,PP.219-226.
10Gess-Newsome,J.&Laderman,N.G.Pedagogical Content Knowledge:An Introduction and Orientation.In Examining Pedagog-icalcontentKnowledge.SpringerNetherlands,2006,vol.9.
