Question

stabilize and focus the mind on one object

Answer 1

Create a designated study area
Your space should be well-lighted and airy. 
Get your study materials and stationery beforehand. 
Stay hydrated. 
Be flexible with your study schedule
Read out loudly. 
Writing and remembering. 
Associate your topic with practical things
Find a study partner. 
Minimize multitasking. ...Establish a to-do list. ...Try a small amount of caffeine. ...Take breaks. ...Keep work at work. ...Train your brain to focus. ...Stare at a distant object for a few minutes. ...Work offline.