"drucker, peter f. "
innovation and enterpreneurship: practice and principles: / peter.f. drucker - 1 ed. - uk : harper business 1993. - "ix, 277p.; 21 cm."
0-88730-618-7
entreprenuership
HD2346.U5 / .D78 1986
innovation and enterpreneurship: practice and principles: / peter.f. drucker - 1 ed. - uk : harper business 1993. - "ix, 277p.; 21 cm."
0-88730-618-7
entreprenuership
HD2346.U5 / .D78 1986