The American Marketing Association (AMA) is the professional association for individuals and organizations who are leading the practice, teaching, and development of marketing worldwide.
Basic principles and concepts of marketing and advertising presented in online tutorials, dictionaries, and current news stories.
Provides financial, technical and management assistance to help Americans start, run, and grow their businesses. See their page on “Developing a Marketing Plan”
Principles of Marketing Tutorials These tutorials focus on the key ideas in marketing.