I will suggest you coachings in a while after finding out a bit but even if you are doing it on your own, people have done it and so can you!
Dont worry, you are making an effort and analysing your weak areas and so its good.
Utilise summer break really well. Its a crucial time.
So for inorganic follow these things. Whenever you get stuck and are unable to recall and learn at all, let us know for any help, we will put up some sheets to help you!