Items where Author is "Umana, Umana"
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Itam, Asukwo and Inyang, David and Umana, Umana and Akpan, Etie and Udinmwen, Efosa (2016) Palynostratigraphy of Lemna Road Transect of Benin Formation, Calabar Flank, Nigeria. Asian Journal of Physical and Chemical Sciences, 1 (1). pp. 1-10. ISSN 24567779