TY - GEN T1 - Helping people to help themselves: an appraisal of the potential of Local Exchange and Trading Systems (LETS) JO - Political Economy Âé¶¹ÊÓÆµ Centre (PERC) PY - 1998/01/01 AU - Williams CC ED - PB - PERC University of Sheffield VL - Policy Working Paper no.15 Y2 - 2025/04/30 ER -