TY  - BOOK
AU  -  N. P Pillai,Guide
AU  - A Sukumaran Nair
TI  - A Non Verbal Group Test Of Intelligence For Secondary Schools
PY  - 1970///
CY  - Thiruvananthapuram
PB  - Dept of Education,University of Kerala
N1  - available at Shodganga@INFLIBNET
ER  -