What is citation searching?
Why do it?
Where to do citation searching?
Many databases have a "cited by" link.
Top ones for Education field are:
Easily search across all subscribed products simultaneously using a common set of search fields for the most comprehensive results Including: Web of Science Core Collection, BIOSIS Citation Index, BIOSIS Previews, CAB eBooks Archive, CABI, CAB Abstracts and Global Health, Current Contents Connect, Data Citation Index, Derwent Innovations Index, FSTA-the food science resource, KCI-Korean Journal Database, MEDLINE, Preprint Citation Index, SciELO Citation Index, and Zoological Record.
This free downloadable tool uses Google Scholar data to create citation analysis reports by author or journal name. Citation counts for specific articles are given, as well as h-index for the author or journal.