TY - BOOK AU - Harwood,Gordon B. TI - Programmed learning aid for quantitative methods,: with applications in accounting and business T2 - Irwin plaid series SN - 0256020841 : AV - HF5691 .H34 PY - 1979///] CY - Homewood, Ill. PB - Learning Systems Co. KW - Business mathematics KW - Programmed instruction KW - Mathematics KW - 1961- N1 - On spine: Quantitative methods ER -