Gatekeeper series
International Institute for Environment and Development
Roland Bunch, Gabino Lopez
Sustainable Agriculture Programme of the International Institute for Environment and Development 1995 Gatekeeper series no.55
所蔵館1館
Alan Fowler
Sustainable Agriculture Programme of the International Institute for Environment and Development [1992] Gatekeeper series no. 35
N.S. Jodha
the Sustainable Agriculture Programme of the International Institute for Environment and Development [1991] Gatekeeper series no. SA24