TY  - BOOK
AU  - Tiwari, Amithabh 
TI  - Principles of officiating training and coaching / 
SN  - 9789390974726
U1  - BB 796.07 
PY  - 2021///
CY  - New Delhi : 
PB  - Sports Publications, 
KW  - Physical education and training
KW  - Sports officiating
KW  - Coaching (Athletics)
ER  -