The Friendship Formula

The Friendship Formula: A Tale of Unity (English Edition)

The Friendship Formula: How to Make Real Connections in a Disconnected World(Ditch the small talk, build real bonds, and make friendships that actually ... Motivational Books series) (English Edition)

Notion Press

The Friendship Formula (English Edition)        

The Friendship Formula: Building Lifelong Bonds in a Fragmented World: A science-backed approach to cultivating meaningful friendships (English Edition)

Font Soul Brother Publishing

The Friendship Formula: A guide on how to help you make friends (The 'How To' Series For Kids) (English Edition)

Swan Charm Publishing

The Friendship Formula (English Edition)        

Aitisal

The Friendship Formula (English Edition)        

LDA

The Friendship Formula                          

Independently published

The Friendship Formula: How to Say Goodbye to Loneliness and Discover Deeper Connection

Anima

The Friendship Formula: Add great friends, subtract toxic people and multiply your happiness