World congress XII of international association of workers for troubled children and youth association internationale des educateurs de jeunes inadaptes “the world's children: Building their tomorrows together” New York Hilton New York City July 2–6, 1990

• Book ID: 112477493
• Publisher: Springer
• Year: 1989
• Tongue: English
• Weight: 44 KB
• Volume: 18
• Category: Article
• ISSN: 1573-3319
• DOI: 10.1007/bf01083877