Thetazero Pubs
Yitong
source frequency percentage
Library / university website 6565 0.2222
Organic Search 3540 0.1198
Libguides 3467 0.1173
Discovery 11314 0.3825
Credoreference.com 1664 0.0563
Library catalogs 786 0.0266
Learning management systems 12 0.0004
.gov 177 0.0060
Others 2027 0.0686
Total 29552
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