Extension of the BPM lifecycle to promote the maintainability of BPMN models. - Hajer Ben Haj Ayech; Sonia Ayachi Ghannouchi; Emna Ammar El Hadj Amor (CENTERIS/ProjMAN/HCist, 2020)

A Systematic Approach for Maintainable Business Process Models. - Hajer Ben Haj Ayech; Emna Ammar El Hadj Amor; Sonia Ayachi Ghannouchi (KSEM, 2021)

S4BP: An Approach for Assessing Business Process Stability. - Hajer Ben Haj Ayech; Ricardo Martinho 001; Sonia Ayachi Ghannouchi (ENASE, 2025)