APA (7th ed.) Citation

Sim, J. H. (2010). Representational competence of Form Four science students on basic chemical concepts / Sim Joong Hiong.

Chicago Style (17th ed.) Citation

Sim, Joong Hiong. Representational Competence of Form Four Science Students on Basic Chemical Concepts / Sim Joong Hiong. 2010.

MLA (9th ed.) Citation

Sim, Joong Hiong. Representational Competence of Form Four Science Students on Basic Chemical Concepts / Sim Joong Hiong. 2010.

Warning: These citations may not always be 100% accurate.