1. https://jgateplus.com/home/
2. https://journals.indexcopernicus.com/search/details?id=122196
3.https://scholar.google.com/citationshl=en&view_op=list_works&gmla=AH8HC4wzgO2cDgEqM69nkb7 pnVzMESM5D4ReKs-9co6tQnuqbLxqbCSYaamGj-sN9R6EieukALeH8-b-8F0fg&user=RRvnsnoAAAAJhttps://scholar.google.com.pk/citations?hl=en&user=hn_7rxEAAAAJ
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5. https://europub.co.uk/journals/29719
6. https://www.sindexs.org/JournalList.aspx?ID=8135
