INSTANT NETWORKING THE SIMPLE WAY TO BUILD YOUR BUSINESS NETWORK AND SEE RESULTS IN JUST 6 MONTHS
STEFAN THOMAS2016 年出版154 页ISBN:9780857086754
NETWORK MARKETING OF TOURISM SMES IN A CROSS-CULTURAL CONTEXT:TRUST ESTABLISHMENT IN A CROSS-CULTURA
EVA-MARIA STORMER2011 年出版122 页ISBN:9783844387919