TY  - BOOK
TI  - Sri Lanka prajathanthrika samajawade janarajaye sankyana athpotha, 1977
U1  - 315.C 
PY  - 1977///
CY  - Colombo
PB  - Jana ha Sankyalekana Departhamenthuwa
KW  - Statistics & Probabilities
N1  - Text in sinhala Pela sinhala demala debasinma vey
ER  -