To further research into a few categories, depending on the criteria used to divide that is based on what the criteria are. This is because different criteria are divided into different types of research are not the same.
The research is divided into several categories, depending on the criteria used to define how to take what the criteria is. This is because the use of different criteria. The research will be divided into different types. Are not the same
To be separated into many types, depending on the criteria used to break to hold any thing as criteria, or main. Because of the use of the different. It is divided into different kinds of research, is not the same.