Donoso Valdivieso, Marcelo, Margarita Aucancela Guamán, Giovanny Haro Sosa, & Myriam Naranjo Vaca. " INFORMAL TRADE IN THE MARKETS MARIANO BORJA AND THE HOPE OF RIOBAMBA, A DESCRIPTIVE STUDY." mktDESCUBRE [Online], 1.2 (2020): 331 - 339. Web. 25 Nov. 2024