Question on Australian uni that offers Early childhood Education teaching

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Is there anyone know about which Australian university offers the best courses and majors on Early Childhood Education? I wanna to have my postgraduate on this. And I only know the Monash University, Macquaire University and The Queensland University of Techonology offer such courses and majors, but I have no idea about which one is the best. I have two more questions here as: 1. do the early childhood education teaching based on the theories of Montessori? If not, whose of that? 2. How much do you know about the Montessori Association in Australia and around the world?