TY  - BOOK
AU  - Islam,M.Nurul
TI  - An introduction to sampling methods : : theory and applications / 
SN  - 9843219767
U1  - 001.422 ISI 23
PY  - 2014///
CY  - Dhaka
PB  - Mullick & Brothers
KW  - Sampling methods
N1  - Includes index
ER  -