Yoana Petrova (University of Library Studies and Information Technologies), Daniel Petrov (Institute of Agricultural Economics – Sofia, Agricultural Academy – Sofia)
Head Asst. Prof. Dr. Petko Angelov (D.A.Tsenov Academy of Economics – Svishtov), Assistant Prof. Dr. Silvia Zarkova (D.A.Tsenov Academy of Economics – Svishtov)