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author
Pieter Klaas Jagersma
Pieter Klaas Jagersma is an international entrepreneur, professor of business administration at various universities and business schools, and supervisory or advisory board member ...lihat lebih banyakPieter Klaas Jagersma is an international entrepreneur, professor of business administration at various universities and business schools, and supervisory or advisory board member at an array of companies. Pieter Klaas Jagersma writes extensively and is the author of more than 25 books and over 300 articles published in numerous international and national journals and newspapers.lihat lebih sedikit