Espín Oleas, María, 		Moyano Vallejo, Hernán, AND 		Burbano Pérez, Ángel.
" ALTERNATIVE COMMUNICATION AND ITS IMPACT ON THE ECONOMIC DEVELOPMENT OF THE ECUADORIAN MARKETS CASE OF RIOBAMBA" <em>mktDESCUBRE</em> [Online], Volume 1 Number 3 (1 April 2020)