ZAMBRANO, Salvador. Profitability and information services: The dog that doesn´t chase its tail. Anuario ThinkEPI, [S. l.], v. 2, p. 027–029, 2008. Disponível em: https://thinkepi.scimagoepi.com/index.php/ThinkEPI/article/view/32032. Acesso em: 7 may. 2026.