Directory of Indexing and Impact Fact (DIIF)
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ResearchBible (Academic Resource Index)
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Eurasian Scientific Journal Index (ESJI)
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Scientific World Index ( SCIWIN)
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Root Society for Indexing and Impact Factor Service
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Society of Economics and Development
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General Impact Factor
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OCLC WorldCat
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Cosmos Impact Factor
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I2OR Indexing Services & Evaluation of Publication Impact Factor (PIF)
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