Sharma, S D .
Operations research / - 14 / - Meerut : Kedar Nath Ram Nath & co. , 1999. - 6.52p ;
Operations research
658.4034 / SHA/O
Operations research / - 14 / - Meerut : Kedar Nath Ram Nath & co. , 1999. - 6.52p ;
Operations research
658.4034 / SHA/O