Chang Ma is on CollEc

rank value
closeness 11828 4.99937
betweenness 21820 0.20063

co-authors

  1. John Rogers [pro248]
  2. Sili Zhou [pzh870]
  3. Fabian Valencia [pva377]
  4. Shang-Jin Wei [pwe20]
  5. Daniel te Kaat [pte336]
  6. Peter Bednarek [pbe939]