A guide to marketing
Ryan, William T.
A guide to marketing Marketing William T. Ryan - Homewood, Ill. : Learning Systems Co., 1981. - 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 - t.p. verso.
Includes index.
Marketing.
A guide to marketing Marketing William T. Ryan - Homewood, Ill. : Learning Systems Co., 1981. - 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 - t.p. verso.
Includes index.
Marketing.