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. ASRJETS-Journal [Internet]. 2016 Jul. 14 [cited 2024 May 8];21(1):227-40. Available from: https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/1746