To whom it may concern,

           Due to the COVID-19 spreading situation worldwide, the board of organizing committee of    the 4^th International Conference of Multidisciplinary Approaches on UN Sustainable Development Goals (UNSDGs 2020) has considered everyone's health and safety as the primary  concern. We have decided to postpone the 4^th International conference of Multidisciplinary Approaches on UN Sustainable Development Goals (UNSDGs 2020) until the appropriate time. Then we will inform you about the conference later on.
         For the submitted papers, we will contact submitters via email in details. Thank you very much for your kind understanding and cooperation. Finally, we are deeply regret for your inconvenience.

                                                                         Yours sincerely,