Boxall, M. (2002). Nurture groups in school: Principles and practice. P. Chapman.
Lua i Stíl Chicago (17ú heag.)Boxall, Marjorie. Nurture Groups in School: Principles and Practice. London ; Thousand Oaks, Calif.: P. Chapman, 2002.
Lua MLA (8ú heag.)Boxall, Marjorie. Nurture Groups in School: Principles and Practice. P. Chapman, 2002.
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