عنوان
پدید آورنده
موضوع
رده
QA,135,L6
QA
,
135
,
L6
کتابخانه
محل استقرار
لاتين
by K. Lovell; foreword by Barbel Inhelder
The growth of basic mathematical and scientific concepts in children
London
University of London P
[1972,c1961]
154 p. illus.
1
مرجع به حساب نمي آيد
Includes bibliographies
Number concept in children
Conservation (Psychology)
QA
,
135
,
L6
مولف
Smith, Charles Henry
Lovell, K. (Kenneth)
by K. Lovell; foreword by Barbel Inhelder
