Handbook of operations research 2026-02-16T00:16:33+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Elmaghraby, Salah Eldin, 1927-; Moder, Joseph J. (Van Nostrand Reinhold, 1978)