Avalos Peñafiel, Víctor, 		Carrillo Hernández, Jairo, 		Aguilar Poaquiza, Juan, AND 		Lara Noriega, Gerardo.
" QUALITY IN CUSTOMER SERVICE, RELATIONAL MARKETING STRATEGY, APPLICATION IN THE MARISQUERIAS OF RIOBAMBA" <em>mktDESCUBRE</em> [Online], Volume 1 Number 3 (1 April 2020)