01350nas 2200457- 450 991013642340332120241221110854.01390-8618(OCoLC)947098834(CKB)3710000000609779(CONSER)--2018268500(MiFhGG)03EF(EXLCZ)99371000000060977920160409a20119999 --- -spaur|nu||||||||txtrdacontentcrdamediacrrdacarrierRetosCuena, Ecuador :Universidad Politécnica Salesiana,2011-1 online resourceRefereed/Peer-reviewed1390-6291 Revista de Ciencias de la Administración y EconomíaRetosMarketsSocial aspectsPeriodicalsEconomicsEcuadorPeriodicalsEconomicsfast(OCoLC)fst00902116MarketsSocial aspectsfast(OCoLC)fst01010335EcuadorfastPeriodicals.fastMarketsSocial aspectsEconomicsEconomics.MarketsSocial aspects.Universidad Politécnica Salesiana,JOURNAL9910136423403321Retos2252397UNINA