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2411
Release of potassium and magnesium from some Philippine soils [microform]
Udgivet 1977Visual Material -
2412
A Monte Carlo study of the two-sample Wilcoxon signed ranks test [microform]
Udgivet 1977Visual Material -
2413
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2414
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2415
The phosphate supply pattern of some Philippine soils with high and low phosphorus contents [microform].
Udgivet 1977Visual Material -
2416
Class inclusion concept development in children effect of two curricular programs [microform].
Udgivet 1977Visual Material -
2417
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2418
Effects of different light intensities, nitrogen levels and population densities on grain sorghum [microform].
Udgivet 1977Visual Material -
2419
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2420