comunicacion
https://www.youtube.com/watch?v=ZCkpbteXOU8&list=PLs51aUgJ0A2DPZKy8FjMva3-a7-uJ44jW&index=8
https://www.youtube.com/watch?v=P2VhgQqeNYE&list=PLs51aUgJ0A2DPZKy8FjMva3-a7-uJ44jW&index=9
https://www.youtube.com/watch?v=oCik5syuUl4&list=PLs51aUgJ0A2DPZKy8FjMva3-a7-uJ44jW&index=10
https://www.youtube.com/watch?v=YoSXjolbh7Q&list=PLs51aUgJ0A2DPZKy8FjMva3-a7-uJ44jW&index=11
https://www.youtube.com/watch?v=vSsdbl0xUao&list=PLs51aUgJ0A2DPZKy8FjMva3-a7-uJ44jW&index=12
https://www.youtube.com/watch?v=8DEzMuWwpkM&list=PLs51aUgJ0A2DPZKy8FjMva3-a7-uJ44jW&index=13
https://www.youtube.com/watch?v=H5iCq1oMam0&list=PLs51aUgJ0A2DPZKy8FjMva3-a7-uJ44jW&index=14
https://www.youtube.com/watch?v=BK6Qa9xVcCU&list=PLs51aUgJ0A2DPZKy8FjMva3-a7-uJ44jW&index=15
https://www.youtube.com/watch?v=tmmGtneZK_A&list=PLs51aUgJ0A2DPZKy8FjMva3-a7-uJ44jW&index=16
https://www.youtube.com/watch?v=WfMRVVP3YVI&list=PLs51aUgJ0A2DPZKy8FjMva3-a7-uJ44jW&index=17
https://www.youtube.com/watch?v=UFx0CJDymcM&list=PLs51aUgJ0A2DPZKy8FjMva3-a7-uJ44jW&index=18
https://www.youtube.com/watch?v=DHLeVDTeRY4&list=PLs51aUgJ0A2DPZKy8FjMva3-a7-uJ44jW&index=19
