Achieving Agility in IT Project Portfolios - A Systematic Literature Review. - Joseph Puthenpurackal Chakko; Tim Huygh; Steven De Haes (LASD, 2021)

Portfolio Management Agility - Deriving Design Goals. - Joseph Puthenpurackal Chakko; Tim Huygh; Steven De Haes (PACIS, 2022)

Design Principles for Portfolio Agility - A Delphi Study. - Joseph Puthenpurackal Chakko; Tim Huygh; Steven De Haes (CENTERIS/ProjMAN/HCist, 2023)