V. Graciano Neto, Valdemar, 		Horita, Flavio, 		Cavalcante, Everton, 		Rohling, Adair, 		El-Hachem, Jamal, 		Santos, Daniel, AND 		Y. Nakagawa, Elisa.
" 
      	A Study on Goals Specification for Systems-of-Information Systems: Design Principles and Conceptual Model
      " <em>Proceedings of the Brazilian Symposium on Information Systems (SBSI)</em> [Online], (30 November 2018)