Adaptive Resource Allocation in Multimodal Activity Networks
Anabela Tereso, Madalena Araujo, Salah Elmaghraby
International Journal of Production Economics, vol. 92, 2004, p. 1-10.

Optimal Start Times under Stochastic Activity Durations
Salah Elmaghraby, Alvaro Antunes Ferreira, Luis Valadares Tavares
International Journal of Production Economics, vol. 64, 2000, p. 153-164.