Research
Books
Professor Sá, a former Drucker student and a Drucker and Kotler expert, published books translated into twelve languages (English, Chinese/Mandarin, Russian, Ukrainian, German, Spanish, Portuguese, Lithuanian, Thai, Korean, Norwegian and Iranian) by various international publishers, e.g. Financial Times/Prentice-Hall, Kogan Page, Palgrave/MacMillan, Larcier, Laberinto, etc.
His books have received endorsements, among others, from Peter F. Drucker, Cecily Drucker, Al Ries (author of the bestsellers Marketing Warfare and Positioning), Don Hambrick, Karl Moore, Peter Starbuck (President of the London Drucker Society), Philip Kotler, etc.