TY  - BOOK
AU  - Tisdell, Christopher C
TI  - Introduction to complex numbers: Youtube workbook
SN  - 9788740311105
PY  - 2015///
PB  - Bookboon
UR  - https://opac.lib.ruh.ac.lk/cgi-bin/koha/opac-retrieve-file.pl?id=7609b2cfe0d74cfc484fb9690db29921
ER  -