A CANDLE to light the way? - John Messing; Sebastian Abeck; Jodok Batlogg; Dirk Feuerhelm; Oliver Mehl (ACSE, 2000)

Implementing Microsoft PiL in Australian Schools. - John Messing; Irfan Altas; Jason Howarth (Int. J. Emerg. Technol. Learn., 2008)