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Does ICT investment matter for growth and labor productivity in transition economies?
Piatkowski, Marcin, (2003)
Produktivität im entwickelten Sozialismus : 6 Beitr. von Autoren aus d. DDR u. d. Ungar. Volksrepublik
(1985)
Productivity and economic growth
Roman, Zoltán, (1982)
Productivity and growth in the Hungarian economy
Román, Zoltan, (1976)
Productivity measurement by help of input-output analysis
Román, Zoltan, (1974)