International Journal of Project Management
International Journal of Project Management > 1999 > 17 > 3 > 147-159
International Journal of Project Management > 1999 > 17 > 6 > 331-336
International Journal of Project Management > 1999 > 17 > 3 > 147-159
International Journal of Project Management > 1999 > 17 > 6 > 331-336