The Economic Prescription for Developing Countries (Paperback or Softback)

Placer Mining for Gold in California (Paperback or Softback)

Changing Law in Developing Countries (Paperback or Softback)

Exercises for Developing Mi Skills in Corrections (Paperback or Softback)

Aging in Developing Countries (Paperback or Softback)

Eighty-Eight Assignments for Development in Place (Paperback or Softback)

Handbook for Methane Control in Mining (Paperback or Softback)

Simplifying Technology for Developing Countries (Paperback or Softback)