1. Mathematical knowledge for teaching;Adler,2014
2. Teacher quality, opportunity gap, and national achievement in 46 countries;Akiba;Educational Researcher,2007
3. The cultural location of teachers' mathematical knowledge: Another hidden variable in mathematics education research?;Andrews,2011
4. Research on teaching mathematics: The unsolved problem of teacher's mathematical knowledge;Ball,2001
5. Content knowledge for teaching: What makes it special?;Ball;Journal of Teacher Education,2008