Turtle geometry /
Abelson, Harold.
Turtle geometry / Harold Abelson. - Cambridge, Massachusetts : The MIT Press, 1981. - x, 477 p.
0262510375 : KES 200 (don.)
Geometry--Study and teaching.
Computer assisted instruction.
QA462 / .A23 1981
Turtle geometry / Harold Abelson. - Cambridge, Massachusetts : The MIT Press, 1981. - x, 477 p.
0262510375 : KES 200 (don.)
Geometry--Study and teaching.
Computer assisted instruction.
QA462 / .A23 1981