ادبیات خاکستری (Persian Wikipedia)

Analysis of information sources in references of the Wikipedia article "ادبیات خاکستری" in Persian language version.

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archive.org

Auger, C.P., ed. (1989). Information Sources in Grey Literature (2nd ed.). London: Bowker-Saur. ISBN 0862918715.

doi.org

{Paez, Arsenio} (2017). "Gray literature: An important resource in systematic reviews". Journal of Evidence-Based Medicine. 10 (3): 233–240. doi:10.1111/jebm.12266. PMID 28857505.

nih.gov

pubmed.ncbi.nlm.nih.gov

{Paez, Arsenio} (2017). "Gray literature: An important resource in systematic reviews". Journal of Evidence-Based Medicine. 10 (3): 233–240. doi:10.1111/jebm.12266. PMID 28857505.