"systems analysis and modelling"
"boyd d.w"
"systems analysis and modelling" - "UK" "Academic Press" "2001" - "xi;365p.: 23cm"
"N"
"81-7867-025-9"
"Y"
T57.6 / .B69
"systems analysis and modelling" - "UK" "Academic Press" "2001" - "xi;365p.: 23cm"
"N"
"81-7867-025-9"
"Y"
T57.6 / .B69