AKPATI, C.C. , ETOBRO, A. and EJEH, O. 2023. BIOSTRATIGRAPHY AND PALEOENVIRONMENT OF SECTIONS FROM WELL XY1 AND WELL XY-2, CENTRAL SWAMP DEPOBELT, NIGER DELTA BASIN, NIGERIA. NIGERIAN JOURNAL OF SCIENCE AND ENVIRONMENT. 21, 2 (Oct. 2023).