Sousa Lopes, F. L. and Claudino Sales, V. C. de (2019) “Geoconservation and geodiversity in the environmental protection area of the Ipu -Ceará: challenges for sustainability”, Notheast Geoscience Journal, 5(2), pp. 61–80. doi: 10.21680/2447-3359.2019v5n2ID18465.