PLA notes notes on participatory learning and action. No. 29, Performance and participation - London International Institute for Environment and Development 1997 - 103p. 30*21 cm PLA = Participatory Learning and Action ISSN: 1357-938X Subjects--Topical Terms: Sustainable agriculture Sustainable agriculture - Methodology - Periodicals Sustainable agriculture - Developing countries - Periodicals Dewey Class. No.: 658.312404 / INT