Mark J. Penn
Mark J. Penn has written at least 3 books. Their most popular book is Microtrends with 2 saves with an average rating of 3.5⭐.
They are best known for writing in the genres History, Nonfiction, and Business & Economics.
Mark J. Penn has written at least 3 books. Their most popular book is Microtrends with 2 saves with an average rating of 3.5⭐.
They are best known for writing in the genres History, Nonfiction, and Business & Economics.
