Information Journal Paper
APA:
Copy. (2017). How Many Focus Groups are Enough? Building an Evidence Base for Nonprobability Sample Sizes. Field Methods, 29(1), 3-22. SID. https://sid.ir/paper/758003/en
Vancouver:
Copy. How Many Focus Groups are Enough? Building an Evidence Base for Nonprobability Sample Sizes. Field Methods[Internet]. 2017;29(1):3-22. Available from: https://sid.ir/paper/758003/en
IEEE:
Copy, “How Many Focus Groups are Enough? Building an Evidence Base for Nonprobability Sample Sizes,” Field Methods, vol. 29, no. 1, pp. 3–22, 2017, [Online]. Available: https://sid.ir/paper/758003/en