1. PERFORMANCE ALTERATIONS OF MAN HAMMER THROWING BETWEEN 1980-2011. Authors: BENCZENLEITNER OTTÓ.2. EFFECTS OF 12 WEEKS INTERVENTION PROGRAM ON OLD WOMEN’ PHYSICAL AND MOTIVATIONAL STATUS. Authors: BENCZENLEITNER OTTÓ.3. STUDY OF THE YOUTH AND JUNIOR WORLD CHAMPIONSHIPS FINALIST ADULT PERFORMANCE DEPENDING ON THE PLACES. Authors: BENCZENLEITNER OTTÓ.4. FROM THE VELODROM TO THE STREETS – THE RECREATION SCENES OF FIXED GEAR BIKES. A COMPARATIVE STUDY ON HUNGARIAN AND FOREIGNER FIXED GEAR BIKERS. Authors: BENCZENLEITNER OTTÓ.5. THE TRENDS AND REASONS OF BEST RESULTS OF THROWING EVENTS OF TRACK AND FIELD WORLD CHAMPIONSHIPS FROM 1983 TO 2017. Authors: BÉRES SÁNDOR, BENCZENLEITNER OTTÓ.6. ATTITUDES TOWARDS DOPING – A COMPARISON OF ATHLETES, NON-ATHLETES AND SPORT EXPERTS. Authors: BENCZENLEITNER OTTÓ, BENCZENLEITNER OTTÓ, TÓTH LÁSZLÓ, TAYLOR VIVIAN ESTHER, KISS VERONIKA.7. ATTITUDES TOWARDS DOPING – A COMPARISON OF ATHLETES, NON-ATHLETES AND SPORT EXPERTS. Authors: BENCZENLEITNER OTTÓ, BENCZENLEITNER OTTÓ, TÓTH LÁSZLÓ, TAYLOR VIVIAN ESTHER, KISS VERONIKA.