Lees, Kevin.
Sleuth : a teaching resource of stimulating maths investigations / Kevin Lees. - Melbourne : Dellasta, 1988. - viii, 80 p.
55052081
Mathematics--Study and teaching (Elementary).
Sleuth : a teaching resource of stimulating maths investigations / Kevin Lees. - Melbourne : Dellasta, 1988. - viii, 80 p.
55052081
Mathematics--Study and teaching (Elementary).