Grietjie Verhoef is on CollEc

rank value
closeness 22391 5.08697
betweenness 23905 0.229164

co-authors

  1. Dorrit Posel [ppo650]
  2. John Singleton [psi351]
  3. Gary Magee [pma1026]
  4. Ewout Frankema [pfr253]
  5. Metin Cosgel [pco79]
  6. Johan Fourie [pfo93]
  7. Latika Chaudhary [pch1335]
  8. Se Yan [pya183]
  9. John Luiz [plu152]