A guide to marketing /
Ryan, William T.
A guide to marketing / William T. Ryan. - Homewood ; Ill. : Learning Systems Co., c1981. - x, 326 p. : ill. ; 21 cm. - Irwin publications for professional development .
"An adaptation of material previously published in a programmed learning aid (PLAID) entitled Principles of marketing. Includes index.
0256025762 (pbk.)
Marketing.
658.8 / RYG 1981
A guide to marketing / William T. Ryan. - Homewood ; Ill. : Learning Systems Co., c1981. - x, 326 p. : ill. ; 21 cm. - Irwin publications for professional development .
"An adaptation of material previously published in a programmed learning aid (PLAID) entitled Principles of marketing. Includes index.
0256025762 (pbk.)
Marketing.
658.8 / RYG 1981