Medeiros, Samara, et al. “Study of the Ponta Negra Beach Surface in Manaus AM: Evidence and Causes of Mass Movement of the Artificial Beach Landfill”. International Journal for Innovation Education and Research, vol. 8, no. 4, Apr. 2020, pp. 187-06, https://doi.org/10.31686/ijier.vol8.iss4.2280.