Ruth Stadiu

ASTD Trainer's Toolkit: More Evaluation Instruments  Ruth Stadius Hardcover. Amer Society for Training &, 1999-06 ISBN 9781562861216     ASTD's Trainers Toolkit: Still More Needs Assessment (ASTD Trainer's Toolkit)  Ruth Stadiu Spiral-bound. Astd, 1999-04-25 ISBN 9781562861223