“Validity and Reliability of the Neugarten, Havighurst & Tobin’s Life Satisfaction Index (LSI-A), in a Sample of Adults and Older Adults in Chile”, TEPS, vol. 27, no. 1, pp. 15–26, Jul. 2009, Accessed: Sep. 24, 2026. [Online]. Available: https://mail.teps.cl/index.php/teps/article/view/203