American Journal of Science

Impact factorSJRSNIP
20164.0992.4201.140
20153.5662.1041.100
20142.9172.2171.380
20133.9292.3841.770
20123.6002.2151.540
20112.7162.3921.440
20103.0452.2351.710
20092.2842.0411.110
20082.2702.0691.120
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