The Instructional Leadership Toolbox: A Handbook for Improving Practice Editat de Sandra L. Gupton 21 dec 2009 Paperback Preț: 304.58 lei 6-8 săpt.
Highly Successful Women Administrators: The Inside Stories of How They Got There Autor Sandra L. Gupton et al. 18 feb 1997 Paperback Preț: 235.83 lei 6-8 săpt.