Mutual cooperation agreement between the Mathematics Research Center (CIMA) and the National University of Concepcion (UNC)
Agreement between the Center for Mathematical Research (CIMA) and the College of Exact and Technological Sciences of the National University of Concepción (FACETUNC)
Agreement of reciprocal cooperation between the Center for Mathematical Research (CIMA) and the Polytechnic College of the National University of Asunción (FP-UNA)