Morales-Gordón , P. ., Vargas-Carrillo, F. . and Moreno-Gavilanes, K. . (2023) “Management of the commercial customer of Tungurahua: an attitudinal response of business loyalty”, 593 Digital Publisher CEIT, 8(1-1), pp. 213-227. doi: 10.33386/593dp.2023.1-1.1602.