Local exchange trading system (English Wikipedia)

"What is CES?". Community Exchange System. Retrieved 30 March 2019.
"Community Exchange Network Statistics". Community Exchange System. Archived from the original on 29 March 2019. Retrieved 30 March 2019.
"Who are we?". Community Exchange System. Retrieved 29 March 2019.

communityforge.net

Peacock, Mark S. (2006). "The Moral Economy of Parallel Currencies". American Journal of Economics and Sociology. 65 (5): 1059–1083. doi:10.1111/j.1536-7150.2006.00491.x. ISSN 1536-7150.
North, Peter (1999). "Explorations in heterotopia: Local Exchange Trading Schemes (LETS) and the micropolitics of money and livelihood". Environment and Planning D: Society and Space. 17 (1): 69–86. Bibcode:1999EnPlD..17...69N. doi:10.1068/d170069. ISSN 0263-7758. S2CID 145652872.
Seyfang, Gill J. (1 March 1996). "Local Exchange Trading Systems and Sustainable Development". Environment: Science and Policy for Sustainable Development. 38 (2): 5–45. Bibcode:1996ESPSD..38b...5S. doi:10.1080/00139157.1996.9933457. ISSN 0013-9157.

North, Peter (1999). "Explorations in heterotopia: Local Exchange Trading Schemes (LETS) and the micropolitics of money and livelihood". Environment and Planning D: Society and Space. 17 (1): 69–86. Bibcode:1999EnPlD..17...69N. doi:10.1068/d170069. ISSN 0263-7758. S2CID 145652872.
Seyfang, Gill J. (1 March 1996). "Local Exchange Trading Systems and Sustainable Development". Environment: Science and Policy for Sustainable Development. 38 (2): 5–45. Bibcode:1996ESPSD..38b...5S. doi:10.1080/00139157.1996.9933457. ISSN 0013-9157.

"Internet Exchange Trading System". 22 November 1999. Archived from the original on 22 November 1999. Retrieved 30 July 2021.

North, Peter (1999). "Explorations in heterotopia: Local Exchange Trading Schemes (LETS) and the micropolitics of money and livelihood". Environment and Planning D: Society and Space. 17 (1): 69–86. Bibcode:1999EnPlD..17...69N. doi:10.1068/d170069. ISSN 0263-7758. S2CID 145652872.

Wilson, David (30 July 2015). "A cashless economy? Where's the catch?". The Sydney Morning Herald. Retrieved 18 January 2021.

Tuti (6 March 2013). "Januártól Szegeden is "fizethetünk" suskával". Szeged Ma (in Hungarian). Retrieved 6 May 2021.

"What is LETS?". AshevilleLETS. Archived from the original on 25 July 2011. Retrieved 9 December 2008.
"Community Exchange Network Statistics". Community Exchange System. Archived from the original on 29 March 2019. Retrieved 30 March 2019.
"Internet Exchange Trading System". 22 November 1999. Archived from the original on 22 November 1999. Retrieved 30 July 2021.

Peacock, Mark S. (2006). "The Moral Economy of Parallel Currencies". American Journal of Economics and Sociology. 65 (5): 1059–1083. doi:10.1111/j.1536-7150.2006.00491.x. ISSN 1536-7150.
North, Peter (1999). "Explorations in heterotopia: Local Exchange Trading Schemes (LETS) and the micropolitics of money and livelihood". Environment and Planning D: Society and Space. 17 (1): 69–86. Bibcode:1999EnPlD..17...69N. doi:10.1068/d170069. ISSN 0263-7758. S2CID 145652872.
Seyfang, Gill J. (1 March 1996). "Local Exchange Trading Systems and Sustainable Development". Environment: Science and Policy for Sustainable Development. 38 (2): 5–45. Bibcode:1996ESPSD..38b...5S. doi:10.1080/00139157.1996.9933457. ISSN 0013-9157.