TY  - BOOK
AU  - W.K.Hewage
TI  - ව්‍යවහාරික ගණිතය 
PY  - 1970///
CY  - Varani Publisher
PB  - Thalawathugoda
N1  - http://38.242.147.208:8080/cgi-bin/koha/cataloguing/addbiblio.pl?frameworkcode=MSCB#tab5XX
ER  -