TY - JOUR AU - Editorial Office PY - 2020/05/27 Y2 - 2024/03/28 TI - ESJ April COVER PAGE JF - European Scientific Journal, ESJ JA - ESJ VL - 16 IS - 11 SE - Articles DO - UR - https://eujournal.org/index.php/esj/article/view/12839 AB - , ER -