Hidalgo Pumagualle, Esteban, 		Villacres Pumagualle, María, 		Zabala Jarrín, Harold, AND 		Palmay Jiménez, Anabel.
" Diagnosis of merchandising of the trading company "Calzafino"" <em>mktDESCUBRE</em> [Online], Volume 1 Number Especial (12 May 2021)