Paisa
Paisa uu chij hae jiske kaam me laae ke log goods aur services kharide hae.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/e/e9/Billets_de_5000.jpg/220px-Billets_de_5000.jpg)
Duusra websites
badlo- Linguistic and Commodity Exchanges by Elmer G. Wiens. Examines the structural differences between barter and monetary commodity exchanges and oral and written linguistic exchanges.