Links:
[1] http://www.planningplanet.com/taxonomy/term/28
[2] http://www.planningplanet.com/category/tags/critical-path-delay
[3] http://www.planningplanet.com/category/filed-under/longest-path
[4] http://www.planningplanet.com/category/filed-under/reason-delay
[5] http://www.planningplanet.com/category/filed-under/resource-critical-path