International Journal of Project Management
International Journal of Project Management > 1999 > 17 > 6 > 343-350
International Journal of Project Management > 1999 > 17 > 6 > 331-336
International Journal of Project Management > 1999 > 17 > 6 > 351-359
International Journal of Project Management > 1999 > 17 > 6 > 337-342