Ujuanbi O, Asokhia MB. Search of Clay Deposits in a Dual Geological Environment in the South-Southern Part of Nigeria. Pakistan Journal of Scientific & Industrial Research [Internet]. 2006 Feb. 24 [cited 2024 May 15];49(1):12-8. Available from: https://v2.pjsir.org/index.php/biological-sciences/article/view/1102