RUSO LEON, J. A.; CONTRERAS CHACON, E. R.; VILLAMAR ORTIZ, D. P. Proposed model for predicting economic growth based on the Keynesian aggregate demand equation: Case of Ecuador 1965-2018. Universidad Ciencia y TecnologĂ­a, v. 25, n. 111, p. 49-56, 6 Dec. 2021.