Lois Holzman speaks on Lev Vygotsky at CUNY
1:44:55
Carrie Lobman "Using Play To Help Students Learn"
3:04:19
East Side Institute Playground Creating a 3-Ring Circus
11:57
Lev Vygotsky Sociocultural Theory
1:18:15
Dr. Susan Massad & Dr. Jeffrey Morrison on an integrative approach to healing
1:24:22
Susan Massad, David Gary Smith, "Doctor Tell Me What To Do"
6:56
La théorie du développement cognitif de Jean Piaget
1:32:04
Reports From The Field Featuring The ESI International Class 2009
1:02:04