JAIN, Aarav; ANTHAIAHGARI, Chaitra; AGARWAL, Samarth. Constructing a FinTech Adoption Index for BRICS+ Economies: Evidence from Principal Component Analysis. American Journal of Applied Statistics and Economics, Delaware, USA, v. 5, n. 2, p. 172–181, 2026. DOI: 10.54536/ajase.v5i2.8782. Disponível em: https://journals.e-palli.com/home/index.php/ajase/article/view/8782. Acesso em: 6 nov. 2026.