The Strategic Role of Human Resource Management

To understand what human resource management is, we should first review what managers do.

There are five basic functions all managers perform: planning, organizing, staffing, leading, controlling.

I'm going to focus on one of these functions, viz. the staffing personnel management,or human resource management.

viz.. = "that is" or "namely".  It is used to introduce examples, lists, or items.

In my correction there should be no comma "," after "management" in the last line.

viz. the staffing personnel management or human resource management.

the strategic role of human resouce management

To understant what human resource management is, I should first review what managers do.

there are five basic functions all managers perform:
planning, organizing,staffing,leading,controlling.

I'm going to focus on one of these functions:the staffing.personnel management,or human resource management function.