Åfors, M. (1994). Weeds and weed management in small-scale cropping systems in northern Zambia. Dept. of Crop Production Science, Swedish University of Agricultural Sciences.
Citace podle Chicago (17th ed.)Åfors, Marie. Weeds and Weed Management in Small-scale Cropping Systems in Northern Zambia. Uppsala: Dept. of Crop Production Science, Swedish University of Agricultural Sciences, 1994.
Citace podle MLA (8th ed.)Åfors, Marie. Weeds and Weed Management in Small-scale Cropping Systems in Northern Zambia. Dept. of Crop Production Science, Swedish University of Agricultural Sciences, 1994.
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