Identifying the key articles

Searching and using databasese effectively

Understand your topic and define your search terms - what's in scope
Select keywords from you topic - words that will take you to the bodies of literature you are engaging with
Create your search strategy - knowing when to add more alternative terms (OR) or more limiting words (AND)
Select an appropriate database - register & set up alerts
Look at suggested articles, articles with similar subject headings, by the same author, articles that are referenced, articles that cite
Evaluate your resources
Repeat

SCImago
Alternative journal ranking used by Scopus. Q1 and Q2 journals are the most highly regarded but all would be of good quality.

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This platform takes its name from the SCImago Journal Rank (SJR) indicator, developed by SCImago from the widely known algorithm Google PageRank™. This indicator shows the visibility of the journals contained in the Scopus® database from 1996.
ExCitation
Chrome add-on for Google Scholar - Find quality sources in a shorter time (journal ranking), identify leading studies (sort by citation), and preview abstracts
ABDC List
Financial Times top 50 journals

There is no easy answer.

1. Use the VLOOKUP function in excel to match an exported list of search results (in csv format) with a list of Q1 journal titles copied into excel.

2. Use an add on to Google Chrome such as excitation, this will identify Q1 journals within your Google Scholar results

3. Copy a list of issn numbers from Scimago of Q1 journals & search within this range across your favourite databases.