4Laruance j. Splitter & Ann M. Sharp. Teaching for Better Thinking: The Classroom Community of Inquiry. The Australian Council for Educational Research Led, Victoria, Australia. 1995.30.140.148 - 150.
5Michael Pritchard.. Philosophy for children. Stanford Encyclopedia of Philosophy, pritchard @ wmich. Edu. 02, 2002.11- 12.14.
6Matt hew Lipman & Ann Martaret Sharp.Looking for Meaning, :Instructional Manual to Accompany PIXIE. University press of America, Inc. West Caldwell, N.J.U.S,1984. PiX.