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Police Officer Exam by Donald J. Schroeder How to Be Successful on "Oral" Assessment Exercises for Polic... by Donald J. Schroeder Police Sergeant Examination by Donald J. Schroeder Barron's Correction Officer Exam by Donald J. Schroeder How To Be Successful On Written Assessment Exercises For Poli... by Donald J. Schroeder Management and Supervision of Law Enforcement Personnel by Donald J. Schroeder Barron's Court Officer Exam by Donald J. Schroeder The ULTIMATE Criminal Justice Promotion Quizzer by Donald J. Schroeder The Ideal Employee, Understanding and Dealing with Personalit... by Donald J. Schroeder How to Prepare for the State Trooper Examinations by Donald J. Schroeder


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