@article {lefstein2013beyond,
	title = {Beyond a unitary conception of pedagogic pace: quantitative measurement and ethnographic experience},
	journal = {British Educational Research Journal},
	volume = {39},
	number = {1},
	year = {2013},
	pages = {73{\textendash}106},
	publisher = {Wiley Online Library},
	author = {Lefstein, Adam and Snell, Julia}
}
