Kim, Kyunghwan, and Jesús M. de la Garza. "Critical path method with multiple calendars." Journal of construction engineering and management 131/3 (2005): 330-342.

Kim, Kyunghwan, and Jesús M. de la Garza. "Critical path method with multiple calendars." Journal of construction engineering and management 131/3 (2005): 330-342.