TY  JOUR
TI  BLOCK SYSTEM OF CREATING EDUCATIONAL AND TRAINING CLASSES IN TRACK AND FIELD ATHLETICS FOR LEVEL INCREASE OF PHYSICAL FITNESS TO PASS «READY FOR LABOR AND DEFENSE» COMPLEX
KW  
JO  Bulletin of Nizhnevartovsk State University
AU  Kovalchuk, O.G.
PY  2017
IS  
PB  Nizhnevartovsk State University