Robert Cialdini`s six universal principles of influence. From his talk

Persuasion Psychology: What It Is and How It Works

Influence: The Psychology of Persuasion by Robert in Surulere - Books & Games, Anthony Dotun

How to Use Cialdini's 6 Principles of Persuasion to Boost Conversions - CXL

How to Use the 7 Principles of Influence for More Conversions

Influence Decoded: Unveiling the Psychology Behind Persuasion — A Deep Dive into Cialdini's Six Principles and Their Real-World Impact, by Julian Delos Santos

Influence, New and Expanded: The Psychology of Persuasion : Cialdini PhD, Robert B: : Books

6 Principles of Persuasion that are Vital to Business Success

The 6 Universal Rules for Persuasion by Dr. Robert Cialdini

Cialdini - Praxis Framework

6 Shortcuts to Persuasion - Infographic - Institute of Public Speaking

6 Secrets to the Science of Persuasion