Important things that the authors need to do Here are some things that the authors need to do: Here are some things that the authors need to do: 1- Uploading both the final PDF and WORD files on the conference website through user panel; 2- Payment of the final registration fee for the paper through user panel on the conference website; 3- Sending the video file of presenting the paper for 10 minutes up to 15 Azar 1400 to WhatsApp Conference Secretariat at 09374071928; 4- Following the news of the conference and the conference schedule until the first week of Esfand 1400 (22 Feb. 2022) by visiting the conference website regularly; 5- Participating in the conference on the 3rd to the 5th of Esfand 1400 (22-24 Feb. 2022), virtually.