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1
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2
Effects of fermented pig manures on growth of natural food organisms and fish production in brackishwater fishponds
Được phát hành 1982Luận văn -
3
Effects of nitrogen and phosphorus ratios on the productivity of brackishwater fishponds
Được phát hành 1981Luận văn -
4
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5
Selection and application of a suitable sampling method for quantitative and qualitative evaluation of 'lab-lab'
Được phát hành 1978Luận văn -
6
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7
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8