If you want to learn Dynamics 365, here is everything you need to know.
https://medium.com/@satishreddyv/your-essential-guide-to-microsoft-dynamics-365-training-power-apps-74133a8ea22d
https://medium.com/@satishreddyv/your-essential-guide-to-microsoft-dynamics-365-training-power-apps-74133a8ea22d