Cindy Chan and Cassie Mogilner (2014) ,"Experiential Gifts Foster Stronger Relationships Than Material Gifts", in NA - Advances in Consumer Research Volume 42, eds. June Cotte and Stacy Wood, Duluth, MN : Association for Consumer Research, Pages: 101-105.
Lara Aknin and Lauren Human. Give a piece of you: Gifts that reflect givers promote closeness Journal of Experimental Social Psychology, 60, 8-16 DOI: 10.1016/j.jesp.2015.04.006.
J Givi, J Galak. (2017). Sentimental value and gift giving: Givers' fears of getting it wrong prevents them from getting it right. Journal of Consumer Psychology 27 (4), 473-479.