1. Constituents of typha elephantina
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2. Tentative utilization of photosynthetic bacteria as a multipurpose animal feed supplement to fresh water fish. i. the utilization of rhodopseudomonas gelatinosa from cassava solid wastes for goldfish, carassius auratus
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3. Thai piscicidal plants, i
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4. The role of solvation for the macrocyclic effect
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