000
00275nam a2200109 4500
020
_a
978-1-98462-571-7
082
_a
Cir. 621 T267 C2019
245
_a
Telecommunication Technology
260
_a
New York
_b
3G E-Learning
_c
2019
300
_b
xii., 246p.; ill.: 23.5cm
942
_c
BK
999
_c
3779
_d
3779