TY  - BOOK
AU  - Gamini de Silva
TI  - Application of Human Ressource Planning Principles in Controlling The non sampling Error in Sample Surveys
SN  - 9555771480
U1  - 319.901 
PY  - 1995///
CY  - Sri lanka
PB  - Gamini de Silva
KW  - Maths
ER  -