Organisation for Economic Co-operation and Development & Centre for Educational Research and Innovation. (1992). Education at a glance: OECD indicators. Organisation for Economic Co-operation and Development.

Organisation for Economic Co-operation and Development and Centre for Educational Research and Innovation. Education at a Glance: OECD Indicators. Paris: Organisation for Economic Co-operation and Development, 1992.

Organisation for Economic Co-operation and Development and Centre for Educational Research and Innovation. Education at a Glance: OECD Indicators. Organisation for Economic Co-operation and Development, 1992.