Instuitute of Archaeology, University College London

Professor Michael Okpara University of Agriculture Umudike

Dept. of Agricultural and Environmental Engineering, Obafemi Awolowo University, Nigeria

Professor, Federal University of Technology, Minna

Professor of Agricultural Engineering, University of the Philippines Los Banos

Dr. Rajendra Prasad Central Agricultural University

Federal University of Technology, Owerri. Nigeria

Research Scientist, Philippine Rice Research Institute

LANDMARK UNIVERSITY OMU ARAN KWARA STATE

Camarines Norte State College