In my view, Sophie embodies the notion of choice—a central feminist idea that is explored in the musical.
Mamma Mia is a Feminist Exploration of Choice
Herself' Review: She Does It All - The New York Times
Mamamia - About Us
The Feminist Power of Mamma Mia! Here We Go Again - FASHION Magazine
The Cult of Ideal Motherhood – Guernica
Mama Mia! Feminism, and Motherhood Critical Film Theory: The Poetics and Politics of Film
Mamma Mia 2: Mamma Mia! Here We Go Again And Feminism
Mama Mia: A Memoir of Mistakes, Magazines and Motherhood by Mia Freedman
28 things about Mamma Mia that you probably didn't even know - PopBuzz
Mamma Mia! The Movie: Exploring a Cultural Phenomenon: Louise FitzGerald: I.B. Tauris