Kalu Ama

Evaluation And Characterization Of Trace Metals Contamination In The Surface Sediment Using Pollution Load Index (PLI) And Geo-Accumulation Index (Igeo) Of Ona River, Western Nigeria

Andem, Andem Bassey, Okorafor, 2015 .

Factor Analysis And Physico-Chemical Characteristics Of Calabar River, Southern Nigeria

Andem, Andem Bassey, Okorafor, 2015 .