TY - BOOK AU - Bingham,Alma AU - Miel,Alice,sered TI - Improving children's facility in problem solving T2 - Practical suggestions for teaching, no. 16 U1 - 370.1524/B613i PY - 1958/// CY - N.Y. PB - Teachers College, Columbia University KW - Problem solving (education) KW - study and teaching N1 - Bibliography at the end ER -