The Cost-effectiveness of GEF Project / Dennis Anderson, Robert H. Williams

Developing programmed instructional materials : a hand book for program writers/ Bill Williams

The biolab book : laboratory studies in life / Robert Elgart

Principles of toxicology : environmental and industrial applications / edited by Phillip L. Williams, Robert C. James, Stephen M. Roberts

Formulating poorly water soluble drugs / Robert O. Williams III, Alan B. Watts, Dave A. Miller, editors