There are no hard and fast rules about what tools you must own, if you are going to embark on a mission to improve your time management skills. The following simple tools, however, are inexpensive, and can help make the process of tracking, planning and organizing your time easier and less burdensome.
Time Monitor Journal
This resource [...]

Pareto was an economist who theorized that 80 percent of all problems result from 20 percent of all causes. This may seem like a complex theory which is too difficult to apply to such a thing as time management, but the Pareto 80-20 rule, as it has come to be termed, can be very beneficial [...]