Slade, R. H., & Campbell, G. J. (1986). Monitoring and evaluation of social forestry in India- an operational guide. Food and Agriculture Organization of the United Nations.
Lua i Stíl Chicago (17ú heag.)Slade, R. H., agus Gabriel J. Campbell. Monitoring and Evaluation of Social Forestry in India- an Operational Guide. Rome: Food and Agriculture Organization of the United Nations, 1986.
Lua MLA (9ú heag.)Slade, R. H., agus Gabriel J. Campbell. Monitoring and Evaluation of Social Forestry in India- an Operational Guide. Food and Agriculture Organization of the United Nations, 1986.
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