Mehrotra, S., Khunyakari, R., Natarajan, C. & Chunawala, S. (2007). Dialogues in formal communication: A study of students’ talk in a D&T unit in India. In C. Natarajan and B. Choski (Eds.), Proceedings of epiSTEME2: International conference to review research on Science, Technology and Mathematics Education (pp. 73-78). Mumbai, India: Macmillan Publishers India Ltd.