Barker, S. (1985). Good things come in small groups: The dynamics of good group life. InterVarsity Press.
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Chicago Style (17th ed.) Zitazioa
Barker, Steve. Good Things Come in Small Groups: The Dynamics of Good Group Life. Downers Grove, Ill.: InterVarsity Press, 1985.
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MLA (9th ed.) Zitazioa
Barker, Steve. Good Things Come in Small Groups: The Dynamics of Good Group Life. InterVarsity Press, 1985.
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