Blended learning is becoming increasingly popular these days. Despite the fact that many studies have been done on online courses, there are few studies specifically on collaborative learning. This paper presents the results of a literature review of 103 journal research articles on collaborative learning. The goal of this study is to look into to the state of collaborative learning study and also to categorize this into topics and subcategories based on its content. The articles examined in this paper have been divided into 12 topics. These studies have been found to fall into six categories: concept, strategy, factors, assessment, method, and review. This paper discusses research for each of the categories. Directions for future research were addressed. At all levels in education, learning analytics has become more popular. The purpose of this paper is to look at the students’ experiences in blended learning settings. Appropriate data was collected from postgraduate students who are learning programming subjects in a mixed learning environment.