1. AARP. (2020). Who are today’s grandparents? Retrieved from https://www.aarp.org/content/dam/aarp/research/surveys_statistics/life-leisure/2020/life-shifts-grandparenting.doi.10.26419-2Fres.00391.004.pdf
2. Altura Learning. (2017). Positive impact: Why grandparents are key to grandchildren’s development. Retrieved from https://www.alturalearning.com/blog/grandparents-are-key-to-childrens-development/
3. Commisceo Global. (2016). Leaders in cross-cultural training. Retrieved from https://www.commisceo-global.com/
4. Os avós na perspectiva de jovens universitários