Factors Driving the Population Growth and Decline of Portuguese Cities
Ana Paula Barreira, Joaquim Ramalho, Thomas Panagopoulos, Maria Helena Enes Guimarães
Growth And Change, vol. 48, 2017, p. 853-868.

Residents' Preferred Policy Actions for Shrinking Cities
Maria Helena Enes Guimarães, Luis Catela Nunes, Ana Paula Barreira, Thomas Panagopoulos
Policy Studies, vol. 37, 2016, p. 254-273.