![[ACM Press the 40th ACM technical symposium - Chattanooga, TN, USA (2009.03.04-2009.03.07)] Proceedings of the 40th ACM technical symposium on Computer science education - SIGCSE '09 - A CS unplugged design pattern]()
[ACM Press the 40th ACM technical symposium - Chattanooga, TN, USA (2009.03.04-2009.03.07)] Proceedings of the 40th ACM technical symposium on Computer science education - SIGCSE '09 - A CS unplugged design patternNishida, Tomohiro; Kanemune, Susumu; Idosaka, Yukio; Namiki, Mitaro; Bell, Tim; Kuno, Yasushi · 2009