TY  - BOOK
AU  - Islam,Sheikh Sirajul
AU  - 
TI  - A manual on sampling techniques for surves : 
U1  - R526.9/I73s 
PY  - 0000///Center for research and pub.
PY  - 2015///
CY  - Chittagong 
KW  - Surveys
N1  - Includes index and bibliograpy.
ER  -