The measurement of scientifc and technical activities : R&D statistics and output measurement in the higher education sector : "Frascati manual" supplement / Organisation for Economic Co-operation and Development
. - Paris : OECD/OCDE, 1989
. - 73 p. 23 cm
9264131930
B1.01.03.01
B1.01.03.01
B1.01.03.01
B1.01.03.01
B1.01.03.01