音量 9, 問題 2 (2020)

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Chemical Abstracts Service (CAS)
Index Copernicus
Open J Gate
Academic Keys
ResearchBible
CiteFactor
Electronic Journals Library
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Hamdard University
Scholarsteer
International Innovative Journal Impact Factor (IIJIF)
International Institute of Organised Research (I2OR)
Cosmos
Geneva Foundation for Medical Education and Research
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