A recently published book by Springer, The International Handbook of Positive Psychology, has a chapter on Positive Psychology in Sub-Saharan Africa as part of the chapter, Selvam’s contribution to positive psychology has been extensively reviewed.
Wilson Fadiji, A., & Wissing, M. P. (2022). Positive Psychology in Sub-Saharan Africa. In The International Handbook of Positive Psychology (pp. 307-354). Springer, Cham.
https://link.springer.com/book/10.1007/978-3-030-57354-6