@article {attar2009grandparenting,
	title = {Grandparenting and adolescent adjustment in two-parent biological, lone-parent, and step-families.},
	journal = {Journal of family psychology},
	volume = {23},
	number = {1},
	year = {2009},
	pages = {67},
	publisher = {American Psychological Association},
	author = {Attar-Schwartz, Shalhevet and Tan, Jo-Pei and Buchanan, Ann and Flouri, Eirini and Griggs, Julia}
}
