- Электронная книгаProject Planning and SchedulingGregory T. Haugan PhD, PMP
- Электронная книгаEffective Work Breakdown StructuresGregory T. Haugan PhD, PMP
- Электронная книгаThe Government Manager's Guide to the Work Breakdown StructureGregory T. Haugan PhD, PMP
- Электронная книгаWork Breakdown Structures for Projects, Programs, and EnterprisesGregory T. Haugan PhD, PMP