TY - GEN AU - Blumenfeld, Dennis TI - Operational research calculations handbook T2 - Library Edition: Operational Research SN - 9780367847029 U1 - 658.4034 23rd ed PY - 2020/// CY - Boca Raton PB - CRC Press KW - Operations research KW - Mathematical analysis N1 - Includes bibliographical references and index ER -