Germana M. da NóbregaStefano A. CerriJean SallantinA Contradiction-driven approach to theory formation: Conceptual issues, pragmatics in human laerning, potentialities.37-5620049J. Braz. Comput. Soc.2https://doi.org/10.1590/S0104-65002003000300004db/journals/jbcs/jbcs9.html#NobregaCS04