@article {52429,
	title = {Five Decades of HIPPY Research: A Preliminary Global Meta-Analysis and Review of Significant Outcomes},
	journal = {HIPPY International},
	year = {2017},
	url = {http://innovate.educate.huji.ac.il/sites/default/files/HIPPY\%20International\%20Literature\%20Review\%20FINAL\%20Online\%20Size_0.pdf},
	author = {Keith Goldstein}
}
