PLA notes.
International Institute for Environment and Development.Sustainable Agriculture Programme.
London : International Institute for Environment and Development, Sustainable Agriculture Programme,
-[2013]
Description based on: No. 23, published in 1995; title from cover.
Latest issue consulted: 66, published in 2013 (online surrogate) (publisher's Web site, viewed August 27, 2015).
Sustainable agriculture
Sustainable agriculture
Sustainable agriculture.