TY  - BOOK
AU  - Calkins, Patsy Fulton
TI  - Administrative professional: theories and procedures
SN  - 9789814314282
U1  - 651.3 C12a 
PY  - 2010///
CY  - Australia
PB  - Cengage Learning
KW  - Office practice
KW  - Textbooks
UR  - https://sic-library.pilc.org.ph/cgi-bin/koha/opac-retrieve-file.pl?id=7b589bc4d4165f6aec42c9161593e049
ER  -