TY  - BOOK
AU  - De Silva, K. Tharanga Niroshika
AU  - Manel, D. P. Kanthi
TI  - Basic concepts and measures of population studies
SN  - 9786245793136
U1  - 304.6  
PY  - 2022///
CY  - Nugegoda
PB  - Commercial Printer Management and Vidudaya Publication
KW  -  SOCIAL SCIENCE
ER  -