On task in classroom discourse
by James L. Heap
Reference:
James L. Heap, (1988), "On task in classroom discourse", Linguistics and Education, vol. 1, no. 2, pp. 177–198.
Bibtex Entry:
@ARTICLE{Heap1988,
  author = "James L. Heap", 
  doi = "10.1016/S0898-5898(88)80004-4", 
  keywords = "Education, Classroom Interaction, Task", 
  journal = "Linguistics and Education", 
  number = "2", 
  pages = "177–198", 
  title = "On task in classroom discourse", 
  url = "http://www.sciencedirect.com/science/article/pii/S0898589888800044", 
  volume = "1", 
  year = "1988", 
}