FatoyeF. B., Gideon Y. B. and Omada J. I. (2024) “PETROGRAPHIC EVALUATION OF OKOBO COAL, NORTHERN ANAMBRA BASIN, NIGERIA”, FUDMA JOURNAL OF SCIENCES, 8(1), pp. 167 - 173. doi: 10.33003/fjs-2024-0801-2260.