search query: @freeterm horizontal differentiation / total: 1
references: 1-1 / 1
« previous page | next page »
 titleyearauthor
1.
Economics of innovation and new technology
2006 : OCT, VOL. 15:7, p. 649-663
2006 Thompson, M.S.
Thompson, S.
« previous page | next page »
SCIMA