BIGONNESSE, C.; BIGONNESSE, J. M. Achieving Universal Participation of Older Adults: An Exploration of Its Challenges and Spiritual Foundations. The Journal of Bahá’í Studies, Ottawa, Ontario, Canada, v. 25, n. 4, p. 61–79, 2015. DOI: 10.31581/jbs-25.4.4(2015). Disponível em: https://journal.bahaistudies.ca/online/article/view/199. Acesso em: 27 sep. 2021.