Here are two books that offer different, non-monetary, ways to manage trade: https://archive.org/details/lookingbackward01bellgoog and https://www.abelard.org/e-f-russell.php.
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Here are two books that offer different, non-monetary, ways to manage trade: https://archive.org/details/lookingbackward01bellgoog and https://www.abelard.org/e-f-russell.php.
Cheers!