Kothari, C . R .,
An Introduction to operational research: Textual Documents C . R . Kothari - New Delhi: Vikas Publishing, 1996. - 500p.
Library Science Research methodology
001.424
An Introduction to operational research: Textual Documents C . R . Kothari - New Delhi: Vikas Publishing, 1996. - 500p.
Library Science Research methodology
001.424