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2591
The effects of some chemical mutagens on the activity of tyrosinase [microform]
Publicado em 1977Visual Material -
2592
The effects of sucrose concentration, pH and incubation period on crude dextran synthesis using sugar cane molasses [microform].
Publicado em 1977Visual Material -
2593
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2594
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2595
Patterns of labor utilization on rice farms under three different management arrangements [microform].
Publicado em 1977Visual Material -
2596
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2597
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2598
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2599
A study of tax burden by income class in Thailand a case study for 1969 [microform].
Publicado em 1977Visual Material -
2600