TY  - BOOK
AU  - Sandhu, G.S.  .
TI  - Research techniques in biological sciences / 
SN  - 81-7041-396-6
U1  - G:f3 
PY  - 1990///
CY  - New Delhi : 
PB  - Anmol Publications , 
KW  - Research methodology- biological sciences
ER  -