Aguilar Pérez, Jorge, 		Espinoza Salazar, Mishel, 		Aguilar Gálvez, William, AND 		Bonisoli, Lorenzo.
" Analysis of brand loyalty in the pharmaceutical sector of the city of Machala" <em>mktDESCUBRE</em> [Online], Volume 1 Number 20 (10 December 2022)