TY  - BOOK
AU  - 3G E-Learning 
TI  - 3G Handy Guide: Prepare and Present Tours 
SN  - 978-1-98462-56-4
U1  - Cir. 338.4 H236 C2019  
PY  - 2019///
CY  - United States  of America 
PB  - 3G E-Learning LLC 
ER  -