Grandparenting and adolescent adjustment in two-parent biological, lone-parent, and step-families
Journal of family psychology : JFP : journal of the Division of Family Psychology of the American Psychological Association (Division 43) (2009) - Comment
pubmed: 19203161  doi: 10.1037/a0014383  issn: 1939-1293  issn: 0893-3200 

Shalhevet Attar-Schwartz, Jo-Pei Tan, Ann Buchanan, Eirini Flouri, Julia Griggs