The export performance of small- and medium-sized enterprises : towards an integral model / Liane Voerman, Peter S. ZwartExport market information behaviour of SME's : the influence of firm characteristics / J.A. Voerman and M. Wedel and P.S. ZwartExport market information behaviour of SMEs : the influence of firm characteristics / J.A. Voerman, M. Wedel, P.S. ZwartThe triangle between firm characteristics, export market information, and export performance / Liane Voerman, Michel Wedel, Peter S. ZwartThe export performance of European SMEs / Jeannet Alina VoermanThe export performance of European SMEs / Jeannet Alina Voerman