Mr. Mele Kyari, GCEO NNPC Ltd giving his remarks during the unveiling of Prof. Billy Okoye's books titled “Insight into crude oil marketing and dynamics of petroleum products marketing”, which took in Abuja recently.

Author & Host, Prof. Billy Okoye giving his remarks during the unveiling ceremony of his books  in Abuja recently

Mr. Mele Kyari (GCEO NNPC Ltd) giving his remarks during the unveiling of Prof. Billy Okoye's books. 

Covers of the books written by Prof. Billy Okoye on display during the unveiling in Abuja recently.  

R-L: Mr. Mele Kyari, GCEO NNPC Ltd, assisted by Prof. Abdul Rasheed Na’Allah as he unveiled the books with the symbolic cutting of the ribbon while Prof Billy Okoye (L) looks on.

R-L: Mr. Mele Kyari (GCEO NNPC Ltd) in handshake with Prof Billy Okoye while Prof. Abdul Rasheed Na'Allah (VC, University of Abuja )(L) and Engr. Farouk Ahmed, Authority Chief Executive Officer of the Nigerian Midstream and Downstream Petroleum Regulatory Authority (NMDPRA) (R) looks on. 

Cross section of attendees in a group photograph with the book’s author, Prof. Billy Okoye (4th from Right) during the unveiling of the author's book in Abuja recently