Ethics are the moral principles that govern a businesses behaviour or activity

Responsible suppliers
GENERAL
Personal ethics and purchase decisions | eMarketer
Investing in a purpose | Forbes
REPORT
Ethical business practices in purchasing and supply management | CIPS
JOURNAL ARTICLES
Ethics in purchase behaviour | Emerald
Rights of suppliers
GENERAL
Collective bargaining, Q&A | ILO
REPORT
Freedom of association | Ethical Trading Initiative
Nestlé responsible sourcing standard | Nestlé
Producers rights
GENERAL
Negotiating the right deal with suppliers | Info Entrepreneurs
Ways to negotiate | Locomote
The art of negotiating | Entrepreneur Europe