1. Children's judgments of kindness;Baldwin;Child Development,1970
2. Reactions to random acts of kindness;Baskerville;The Social Science Journal,2000
3. The need to belong: Desire for interpersonal attachments as a fundamental human motivation;Baumeister;Psychological Bulletin,1995
4. Multidimensional similarity analysis;Borg,1987
5. The professional helper: The fundamentals of being a helping professional;Bryan,2009