JOSÉ FRANCISCO DE ARAÚJO SILVA, CLAUDIA MARIA SABÓIA DE AQUINO, and HIKARO KAYO DE BRITO NUNES, “GEODIVERSITY, GEOHERITAGE AND VALUES IN GEOMORPHOSITES OF THE ‘BRAZILIAN NORTHEASTERN CAPADÓCIA’, PIAUÍ, BRAZIL”, WMD, vol. 1, no. 1, pp. 232–250, Aug. 2020.