TY - BOOK AU - Cam,Philip,1948- TI - Twenty thinking tools SN - 9780864315014 (Paperback) PY - 2006///] CY - Australia PB - ACER Press KW - Philosophy - study and teaching (Primary) KW - Philosophy _ Study and teaching (Secondary) N1 - Includes bibliographical references (pages 114-116) N2 - include bibliography for primary and; secondary school students ER -