Observations in School Contexts and Analysis of the Connection between Present and Past

• 490098 SE Observations in School Contexts and Analysis of the Connection between Present and Past
• 490220 SE ( KPH-W-NÖ ) Observations in School Contexts and Analysis of the Connection between Present and Past
• 490221 SE ( PH-NÖ ) Observations in School Contexts and Analysis of the Connection between Present and Past