Brunwasser SM, Gillham JE, Kim ES.; Gillham; Kim (2009). “A meta-analytic review of the Penn Resiliency Program's effect on depressive symptoms”. Journal of Consulting and Clinical Psychology77 (6): 1042–1054. doi:10.1037/a0017671. PMID19968381.
nih.gov
pubmed.ncbi.nlm.nih.gov
Brunwasser SM, Gillham JE, Kim ES.; Gillham; Kim (2009). “A meta-analytic review of the Penn Resiliency Program's effect on depressive symptoms”. Journal of Consulting and Clinical Psychology77 (6): 1042–1054. doi:10.1037/a0017671. PMID19968381.