Oltu Clay Deposits (Erzurum, NE Turkey) and Their Possible Usage Areas. International Journal of Innovative Research and Reviews, [S. l.], v. 2, n. 1, p. 25–30, 2018. Disponível em: http://www.injirr.com/index.php/injirr/article/view/16.. Acesso em: 17 may. 2024.