Social studies through problem solving :
Dunfee, Maxine.
Social studies through problem solving : a challenge to elementary school teachers / Maxine Dunfee, Helen Sagl. - New York, E.U.A. : Holt Rinehart & Winston, 1966. - xii, 386 p. ; 24 cm.
Bibliografia : p. 337-349.
LB1584 / D85
Social studies through problem solving : a challenge to elementary school teachers / Maxine Dunfee, Helen Sagl. - New York, E.U.A. : Holt Rinehart & Winston, 1966. - xii, 386 p. ; 24 cm.
Bibliografia : p. 337-349.
LB1584 / D85
