TY  - BOOK
AU  - "SINGH A. K.,"
TI  - TESTS MEASUREMENTS AND RESEARCH METHODS IN BEHAVIOURAL SCIENCES
SN  - 0-07-451923-9
U1  - 300.72 SIN. 
PY  - 1986///
CY  - NEW DELHI
PB  - TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED
KW  - "SOCIAL RESEARCH,RESEARCH METHODS,TEST CONSTRUCTION AND ITEMWRITING,ITAM ANALYSIS,RELIABILIY"
ER  -