The 4+1 Principles of Software Safety Assurance and Their Implications for Scrum. - Osama Doss; Tim P. Kelly (XP, 2016)

Addressing the 4+1 Software Safety Assurance Principles within Scrum. - Osama Doss; Tim Kelly (XP Workshops, 2016)

Challenges and Opportunities in Agile Development in Safety Critical Systems: A Survey. - Osama Doss; Tim P. Kelly (ACM SIGSOFT Softw. Eng. Notes, 2016)

Integration of the 4+1 Software Safety Assurance Principles with Scrum. - Osama Doss; Tim Kelly; Tor Stålhane; Børge Haugset; Mark Dixon (EuroSPI, 2017)

Trends in agile development of safety-critical software: a summary of the 3d international workshop on agile development of safety-critical software (ASCS 2017). - Geir Kjetil Hanssen; Thor Myklebust; Stig Ole Johnsen; Osama Doss (XP Workshops, 2017)