AKANWA O, A.; ONWUEMESI E, F.; CHUKWURAH O, G.; OFFICHA C, M. Effects of Open Cast Quarrying Technique on Vegetation Cover and the Environment in South-Eastern Nigeria. American Scientific Research Journal for Engineering, Technology, and Sciences, [S. l.], v. 21, n. 1, p. 227–240, 2016. Disponível em: https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/1746. Acesso em: 8 may. 2024.