Attached Link: http://www.phungdinhdung.org/Studies_paper/Realistic_face_modeling.shtm

Here are some examples of good and bad face topology.

As Gareee said edgeloops should try to mimic muscle groups, especially in the face. The topology you have now won't allow her face to be very expressive. Even if you aren't considering extended morphs, you still need good edgeflow to give her a decent smile or frown.