1. Alexander, R. (2008). Towards dialogic thinking: Rethinking classroom talk (4th ed.). York: Dialogos.
2. Alonzo, A. C., & Gotwals, A. W. (Eds.). (2012). Learning progressions in science: Current challenges and future directions. Rotterdam: Sense Publishers.
3. ARG (Assessment Reform Group). (2002). Assessment for learning: Ten principles. http://www.hkeaa.edu.hk/DocLibrary/SBA/HKDSE/Eng_DVD/doc/Afl_principles.pdf Accessed 27 August 2016.
4. Baird, J.-A., & Black, P. (2013). Test theories, educational priorities and reliability of public examinations in the England. Research Papers in Education, 28(1), 5–21.
5. Bennett, R. E. (2011). Formative assessment: A critical review. Assessment in Education, 18(1), 5–26.