@article{Świadek:2018,
author
=
"A.Świadek",
title
=
"Sales range and innovative activity in the manufacturing system of Poland",
journal
=
"Equilibrium-Quarterly Journal of Economics and Economic Policy",
volume
=
"Vol. 13",
number
=
"iss. 4",
pages
=
"725--740",
year
=
"2018",
}