HOWTO: Use Mendeley to create citations using LaTeX and BibTeX. – Mendeley Blog
bibliographies - Separate multiple bib files reference using biblatex - TeX - LaTeX Stack Exchange
apacite - BiBTex - Multiple bib files --> references do not appear - TeX - LaTeX Stack Exchange
Managing BibTeX Files with Emacs – Nick Higham
citing - Biblatex: one document, multiple bibliographies built automatically from keywords. How to make references use the keyword as "label"? - TeX - LaTeX Stack Exchange
Multiple bibliographies in LaTeX – Airminded
TeXstudio - A LaTeX Editor / Discussion / TXS - Open Discussion: Setup of TeXstudio for Multiple .bib files using bibtopic package
Three BibTeX Tips – Nick Higham
Making a .bib file with BibDesk - IT Help Desk - Reed College
Merging two bib files for creating a valid input for bibliometrix - YouTube