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2811
The effects of some chemical mutagens on the activity of tyrosinase [microform]
Published 1977Visual Material -
2812
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2813
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2814
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2815
Patterns of labor utilization on rice farms under three different management arrangements [microform].
Published 1977Visual Material -
2816
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2817
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2818
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2819
A study of tax burden by income class in Thailand a case study for 1969 [microform].
Published 1977Visual Material -
2820
Resistance to the zigzag leafhopper Recilia Dorsalis (Motschulsky), in rice varieties [microform].
Published 1977Visual Material