Ghali 1993, p. 74. Ghali, Nagi (1993). Managing software development knowledge: A conceptually-oriented software engineering environment (COSEE) (Master of Science in Computer Science thesis). University Of Ottawa. doi:10.20381/RUOR-11335. hdl:10393/6565. ISBN978-0-315-89627-7.
Ghali 1993, p. 74. Ghali, Nagi (1993). Managing software development knowledge: A conceptually-oriented software engineering environment (COSEE) (Master of Science in Computer Science thesis). University Of Ottawa. doi:10.20381/RUOR-11335. hdl:10393/6565. ISBN978-0-315-89627-7.
Ghali 1993, p. 74. Ghali, Nagi (1993). Managing software development knowledge: A conceptually-oriented software engineering environment (COSEE) (Master of Science in Computer Science thesis). University Of Ottawa. doi:10.20381/RUOR-11335. hdl:10393/6565. ISBN978-0-315-89627-7.