True State of the Differences Subsisting Between the Proprietors of Covent-Garden TheatreGeorge Colman, William PowellHäftad479 kr
Teacher Self-Supervision: Why Teacher Evaluation Has Failed and What We Can Do About itWilliam PowellHäftad319 kr
OIQ Factor: Raising Your School's Organizational Intelligence: How Schools Can Become Cognitively, Socially and Emotionally SmartOchan Kusuma-Powell, William PowellHäftad289 kr