R B Roper

发表

SPECIAL SKILLS RESOURCE FOR EMERGENCY DRIVING

R B Roper, A K Butt, L P Desper, 1978 .

AN EVALUATION OF NORTH CAROLINA'S MULTI-VEHICLE RANGE PROGRAM IN DRIVER EDUCATION: A COMPARISON OF DRIVING HISTORIES OF RANGE AND NON-RANGE STUDENTS

R B Roper, M G Sadof, 1975 .