TY  - GEN
AU  - Amarawansa , Ananda
TI  - à·à¶à¶à·à¶»à·à¶º à¶´à¶»à·à¶ºà·à·à¶«=Operations research
SN  - 9555994420
U1  - 658.4034 
PY  - 2005///
CY  - Rathmalana
PB  - Sarvodaya Vishvaleka
KW  - OPERATIONAL RESEARCH
KW  - MANAGEMENT
ER  -