Hira Batool, Walailak University, thailand.
S. Shahul Hameed, Sadakathullah Appa College, india.
Ismail Raisal, South Eastern University of Sri Lanka, sri lanka.
Maximiliano Yaulilahua Huacho, National University of Huancavelica, peru.
Qais Ahmed Almaamari, Gulf University, bahrain.
Orlando Carmelo Castellanos Polo, Fundación Universitaria Católica del Norte, colombia.
Istamkhuja Olimovich Davronov, Bukhara State University, uzbekistan.
Augustine Okeke, University of Cumbria, united kingdom.
K K Ramachandran, DR G R D College of Science, india.
I-Hsien Ting, National University of Kaohsiung, taiwan.
Patrik Viktor, Óbuda University, hungary.
Ali Isam Alsoltane, Al-Muthanna University, iraq.
Szeberényi András, Budapest Metropolitan University, hungary.