2 1 10 Instituto de misiones extranjeras de Yarumal Primary Author mixed material Medellín Ruiz Hernández, Arcadio Primary Author Muñoz franco, Guillermo Primary Author Ruiz Henao, Héctor Alonso Primary Author Roldan Yepes, Carlos Emilio Primary Author Roldan López, Jorge Alberto Primary Author Roldan Jaramillo, José Jaime Primary Author Rojas Fajardo, Héctor Emilio Primary Author Moreno Osorio, Darío Henan Primary Author Gil Betancur, Francisco Javier Primary Author Grajales Vallejo, Luis Antonio Primary Author Díaz Contreras, Luis Alfonso Primary Author Osorio Londoño, José Joaquín Primary Author Osorio Giraldo, Octavio de Jesús Primary Author Roldán Rodríguez, Román Darío Primary Author Palacio blanco, Segismundo Primary Author Panesso Chica, Rubiel Primary Author Rodríguez Mayorga, José Ignacio Primary Author Rivera Ruiz, Alfonso Primary Author Ramírez Domínguez, Manuel Primary Author Quiceno Betancur, Irlan Primary Author mixed material Medellín