Santiago, Cleide da Silva Farias. “The Grammaticalization Process of the Causal Construction [por + Conta + De] under the Perspective of Usage-Based Functional Linguistics: A Diachronic Study”. Raído, vol. 10, no. 24, Mar. 2017, pp. 165-7, https://ojs.ufgd.edu.br/Raido/article/view/5055.