1 Resource-Activity Critical-Path Method for Construction Planning Ming Lu1 and Heng Li2 code :http://ascelibrary.org/doi/10.1061/%28ASCE%290733-9364%282003%29129%3A4%28412%29 2 Critical-path planning and scheduling code :http://dl.acm.org/citation.cfm?id=1460318 3 Construction Project Scheduling