What are Malaysian secondary school teachers’ conceptions of teaching science in a second language context?

I need literature review chapter for my PhD dissertation. My dissertation title is Medium of Instruction and Science Teaching: Experience of Science Teachers in Malaysia. The research questions are:

1. What are Malaysian secondary school teachers’ conceptions of teaching science in a second language context?
2. What are the ways teachers teach and go about the process of designing for the teaching of science in a second language [English]?
3. How is the language contextualized in their science teaching? What are the factors of teaching science in a second language context?

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