The resource constrained project scheduling problem with multiple crashable modes: A heuristic procedure
1998 ◽
Vol 107
(2)
◽
pp. 250-259
◽
1998 ◽
Vol 11
(3)
◽
pp. 274-287
◽
2005 ◽
Vol 17
(1)
◽
pp. 52-65
◽