الإتاحة: https://doi.org/10.1016/j.jocn.2016.11.004Testhttps://api.elsevier.com/content/article/PII:S0967586816305094?httpAccept=text/plainTesthttps://api.elsevier.com/content/article/PII:S0967586816305094?httpAccept=text/xmlTest
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