the meaning of exchange exchange (Exchange) is an activity to change the title of ownership of goods of goods or services. By offering a valuable thing or what others wanted in return!From the definition of the exchange can be summarized characteristics of the exchange as follows:
1. Contain บุคคลหรือ group of people 2 side up
2.? Each faction has what is worth for the other
3.Each faction has the ability to communicate and delivery
4.? Each party is free to accept or reject what a proposer
5.? Each party believed it was appropriate, or happy or satisfied to communicate with the other side
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