Ekici, F., Aldan Karademir, Çiğdem, Uçak, E. and Erhan Ekici (2011) “Primary School Teachers’ Opinions and Application Levels Related to Constructivist Approach to the Subjects of ‘Voice and Light’”, International Journal of Physics and Chemistry Education, 3(2), pp. 112–126. doi: 10.51724/ijpce.v3i2.196.