Hans van Meijl

1 ta ish

Andijon qishloq xo'jalik instituti

1. Measuring the Impact of Direct and Indirect R&D on the Productivity Growth of Industries: Using the Yale Technology Concordance

   Hans van Meijl

   Maqola19970 iqtibos

   ABIABI:AkademIndex/1997.article.000347