Álzate Cárdenas, M. del S. and Betancur Castaño, J.A. 2015. CHARACTERIZATION OF ASSOCIATIVE PRODUCTIVE UNITS, IN MEDELLIN MAYOR’S OFFICE SOLIDARITY ECONOMY PROGRAM. Semestre Económico. 17, 36 (Nov. 2015), 101–132. DOI:https://doi.org/10.22395/seec.v17n36a5.