The source is this video:

4 Awesome Instagram Accounts Driven by Women That Every Entrepreneur Should Follow

The four are…

• Girlboss – https://www.instagram.com/girlboss – best selling book, podcast, rally show
• bossbabe – https://www.instagram.com/bossbabe – branding (tiny by comparison)
• Create and cultivate – https://www.instagram.com/createcultivate
• female entrepreneur association – https://www.instagram.com/iamcarriegreen – best free educational content (and paid online courses)

Example FEA from the blog:

7 Steps to Grow Your Instagram Following