单项选择题
On some projects, especially ones of smaller scope, activity sequencing, activity resource estimating, activity duration estimating, and ______ are so linked that they are viewed as a single process that can be performed by a person over a relatively short period of time.
单项选择题 Project ______ Management includes the processes required to ensure that the project includes all the work required, and only the work required, to complete the project successfully.