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1989

Provincial Government of Manitoba, Water Resources Branch. 1989. Land And Water Strategy, The Process Begins: Workbook On Water. Winnipeg, MB: Provincial Government of Manitoba [Manitoba Natural Resources, Water Resources Branch]. http://www.worldcat.org/oclc/56232838.
Salas, María Angélica. 1989. Rural Development And The Careful Utilization Of Natural Resources In The Peruvian Sierra. In Report On The Workshop-Seminar Held In Achoma (Arequipa), Peru, 31 March To 9 April 1987. Berlin, Germany: Deutsche Stiftung für Internationale Entwicklung (German Foundation for International Development). http://www.worldcat.org/oclc/243201934.
Provincial Government of Manitoba, Water Resources Branch. 1989. Sustainable Development: Land And Water Strategy: A Summary Of Public Input. Winnipeg, MB: Provincial Government of Manitoba [Manitoba Natural Resources, Water Resources Branch].

1976

Harwood, R. R., and E. C. Price. 1976. Multiple Cropping In Tropical Asia. In Multiple Cropping, 11-40. Madison, WI: ASA [American Society of Agronomy]. http://www.worldcat.org/oclc/842231973.