Here you can find some dissertations related to Mirzakhani's work
Moduli spaces and Weil-Petersson volume
Intersection theory on moduli spaces of curves via hyperbolic geometry Norman Nam Van Do
Also here is the good blog about Mirzakhani's work
https://tlfeng.wordpress.com/2014/09/04/maryam-mirzakhani-and-dynamics-on-moduli-space/