Explorando a Engenharia de Requisitos Orientada a Serviços: Uma Revisão Sistemática da Literatura. - Keith de Souza; Marcelo Fantinato (SBSI, 2013)

Systematizing the Service-Oriented Requirements Engineering through I* Framework and Web Services. - Keith Seixas de Souza; Marcelo Fantinato; Marcelo Medeiros Eler (IEEE SCC, 2014)

WS&i*-RGPS: An Approach to Service-Oriented Requirements Engineering Based on RGPS Metamodels. - Keith de Souza; Marcelo Fantinato (SOSE, 2014)