Contact Person : Dr. A. O. Oluwatope; Last Date for the submission of abstract : 26-Mar-2019; OAUTekConf is biennial International conference. The 2019 edition is the 9th. The theme of conference is Diversification of Developing Economies: The imperatives for sustainable environment and technological innovations.The highlights of the conference include: 1.Opening ceremony -23-09-2019 @9.