Blake, S., & Muttock, S. (2012). Assessment, evaluation and sex & relationships education: A practical toolkit for education, health and community settings (2nd ed.). National Children's Bureau.
Παραπομπή σε μορφή Chicago (17η εκδ.)Blake, Simon, και Stella Muttock. Assessment, Evaluation and Sex & Relationships Education: A Practical Toolkit for Education, Health and Community Settings. 2nd ed. London: National Children's Bureau, 2012.
Παραπομπή σε μορφή MLA (9th εκδ.)Blake, Simon, και Stella Muttock. Assessment, Evaluation and Sex & Relationships Education: A Practical Toolkit for Education, Health and Community Settings. 2nd ed. National Children's Bureau, 2012.
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