Vieira, Eriton Geraldo, and Elcio Nacur Rezende. “Sand Mineral Exploitation and an Ecologically Balanced Environment:: Is It Possible to Conciliate Both?”. Sustainability in Debate, vol. 6, no. 2, Aug. 2015, pp. 171-92, doi:10.18472/SustDeb.v6n2.2015.10795.