00660pamaa2200181 4500 0000041738 20121206090000.0 070327 eng 097750770x (pbk.) QA37.3 DIR 2005 30+ DIRECTED investigation edited by Teresa Hanel. Stepney SA: The Mathematical Association of South Australia Inc, 2005. 69p: ill; 30 cm. Includes 1 CD-ROM titled " 30+ directed investigation edited by Teresa Hanel - 2006" FAS Mathematics The Mathematical Association of South Australia Inc. http://www.masa.on.net.au