It's called TRADE BY BARTER.
Barter
BARTER
Goods and services are exchanged without the use of money.
Goods and services are exchanged without the use of money.
This is the barter system.
The "Barter" or "Bartering" system.
Barter
Econcomic System
Goods and services are exchanged without the use of money.
Goods and services are exchanged without the use of money.
BARTER
Goods and services are exchanged without the use of money.
This is the barter system.
The person who first exchanged goods or services for other goods or services
Goods and services are exchanged without the use of money
Goods and Services
goods and services