The important thing is to find a system that suits you. Some people like to use electronic apps while other people find pen and paper tools works for them.
The kind of tools we find useful depends on our personal preferences.
You need to attain a balance between your studies, work and personal life to reach your goals. You will have various demands on your time during each semester week, including independent study in your own time as this will be a significant part of your learning experience. It is important to make efficient use of your time. Time management tips and tools for organising your studies.