This paper regards the set of predecessor activity and its set of intersection as node.Even more regard the node as a thandler. Change predecessor activity for successor activity or throw predecessor activity for dummy. So an optimal Event on the
Song Zhenbang . , {{custom_author.name_en}}.
Changing and Throwing Method for Drawing Network for Planning. Systems Engineering - Theory & Practice, 1992, 12(6): 0-0 https://doi.org/10.12011/1000-6788(1992)6-106511