Kaiser, U. The ‘Service Sector Business Survey’ (SSBS) collected by the Centre for European Economic Research and Creditreform. Journal of Contextual Economics – Schmollers Jahrbuch, 122(2), 319-325. https://doi.org/10.3790/schm.122.2.319
Kaiser, Ulrich "The ‘Service Sector Business Survey’ (SSBS) collected by the Centre for European Economic Research and Creditreform" Journal of Contextual Economics – Schmollers Jahrbuch 122.2, 2002, 319-325. https://doi.org/10.3790/schm.122.2.319
Kaiser, Ulrich (2002): The ‘Service Sector Business Survey’ (SSBS) collected by the Centre for European Economic Research and Creditreform, in: Journal of Contextual Economics – Schmollers Jahrbuch, vol. 122, iss. 2, 319-325, [online] https://doi.org/10.3790/schm.122.2.319