1. A Test Program for Learning Ability Development using the Key to Knowledge workbooks. Participating teachers tell their experiences. https://www.youtube.com/watch?v=otHP2K8YuqU 2. Interviews with participating school principals. https://www.youtube.com/watch?v=2prjsu_OSYY 3. A 9-day development program for 14-18 years old disadvantaged students. https://player.vimeo.com/video/9448150?loop=0
