1. Qualitative case study methodology: Study design and implementation for novice researchers;Baxter P.;The qualitative report,2008
2. Open and closed mathematics: Student experiences and understandings;Boaler J.;Journal for Research in Mathematics Education,1998
3. Chan E. C. M. Foong P. Y. 2013 A conceptual framework for investigating pupils’ model development during the mathematical modelling process
4. Physics Content and Pedagogical Changes: Ramification of Theory and Practice;Cobbinah C.;Eurasia Journal of Mathematics, Science & Technology Education,2017
5. Cohen L. Manion L. Morrison K. 2011 Research Methods in Education 7th Abingdon Routledge