Ampt, P. R. and Ison, R.
(1993). Problem identification for agronomic research: evaluation of rapid rural appraisal in the Forbes Shire of N.S.W.
In: Delfosse., E.S. ed.
Pests of Pastures: weed invertebrate and disease pests of Australian sheep pastures.
Melbourne: Australian Wool Corporation/CSIRO, pp. 404–408.