RichardE. Westney 
Computerized Management of Multiple Small Projects [PDF ebook] 
Planning, Task and Resource Scheduling, Estimating, Design Optimization, and Project Control

""This well-organized reference presents complete and explicit instructions on exactly what to do to manage multiple small projects — using limited resources — in any industry. The hands-on methods — derived from proven successes in every type of business — specifically address the needs of the nonspecialist project manager, and are highly effective for professionals who coordinate multiple projects of any kind.