PM ressources

https://www.atlassian.com/team-playbook/plays/project-kick-off
https://www.atlassian.com/team-playbook/examples/open-communication

https://productcoalition.com/how-to-run-a-mission-statement-workshop-with-a-product-development-team-6ba023ac4f04
https://medium.com/@gabriela_a/how-to-co-define-a-mission-vision-for-your-startup-in-just-one-day-96b86ba54440

http://meetingsift.com/ground-rules-for-meetings/

https://business.tutsplus.com/tutorials/define-a-target-audience--cms-29368
https://medium.com/swlh/the-essential-first-steps-to-startup-success-2f133f2c6741