Bonnie Helen Litwiller (February 14, 1937 – January 27, 2012) was an American mathematics educator and textbook author, who worked as a professor of mathematics at the University of Northern Iowa.
Bonnie Helen Litwiller (February 14, 1937 – January 27, 2012) was an American mathematics educator and textbook author, who worked as a professor of mathematics at the University of Northern Iowa. (en)
Bonnie Helen Litwiller (February 14, 1937 – January 27, 2012) was an American mathematics educator and textbook author, who worked as a professor of mathematics at the University of Northern Iowa. (en)