Some students prefer individual working and others prefer teamworking ,so here are some benefits for teamworking.

https://www.cmu.edu/teaching/designteach/design/instructionalstrategies/groupprojects/benefits.html

What is Your Teaching Style? 5 Effective Teaching Methods for Your Classroom.

http://education.cu-portland.edu/blog/teaching-strategies/5-types-of-classroom-teaching-styles/

Classroom Management: 10 Ways to Deal with Difficult Students.

http://www.teachhub.com/10-ways-deal-difficult-students