Luis Reynoso Elvira Rolón Aguilar Marcela Genero Félix García Francisco Ruiz Mario Piattini Formal Definition of Measures for BPMN Models. 285-306 2009 IWSM/Mensura http://dx.doi.org/10.1007/978-3-642-05415-0_21 conf/iwsm/2009 db/conf/iwsm/iwsm2009.html#ReynosoAGGRP09