普朗克特的电信业年鉴 2020年
[Jack W. Plunkett]
TN
9781628315417 USD379.99
Plunkett Research, Ltd.
2019-09-30
Paperback
business/ management & finance|industry & industrial studies|media/ information & communication industries|postal & telecommunications industries//technology & engineering|electronics & communications engineering|communications engineering / telecommunica