TY - RPRT TI - Collusion detection in multiple choice examinations. AU - A Ercole AU - K D Whittlestone AU - D G Melvin AU - J Rashbass PY - 2002 DO - 10.1046/j.1365-2923.2002.01068.x UR - https://pubmed.ncbi.nlm.nih.gov/11869445/ ID - 11869445 ER -