Jan de Kok is on CollEc

rank value
closeness 13743 5.1589
betweenness 21813 0.154577

co-authors

  1. Roy Thurik [pth26]
  2. Ingrid Verheul [pve71]
  3. Werner Liebregts [pli1008]
  4. Mirjam Praag [ppr38]