Chang Ma is on CollEc

rank value
closeness 11636 4.79049
betweenness 25305 0.180597

co-authors

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