TY  - BOOK
AU  - Chaudhry Pradip Chandra
AU  - University of Delhi. Faculty of Education. Department of Education
ED  - University of Delhi. Faculty of Education. Department of Education
TI  - Investigation into the difficulties of pupils of class X of the Delhi High And Higher Secondary Schools in solving geometrical exercises
PY  - 1953///
KW  - EDUCATION
ER  -