YouTube is a video-watching application that is very popular in today's society. Therefore, people can access YouTube anywhere and anytime. Not only ordinary videos, but nowadays, YouTube is also used for academic purposes for children. Children can also learn English by watching stories, music, or YouTube videos. Various videos on YouTube can be helpful. Be accessed easily, one of which is through the Cocomelon Channel. This study aims to explain using the Cocomelon YouTube channel as a learning medium for vocabulary recognition for children aged 6-12 years. This research is a case study with a qualitative method in which the researchers take observation and interview as the data collection technique. The participants in this study were children aged 6 to 12 years. From the children's feedback and interviews with parents, the result shows that using Cocomelon's YouTube channel can affect the addition of new vocabulary for children.

<em>Despite the well-established benefits of cooperative learning, implementation remains a challenge. This research aims to know the problems teachers face in implementing cooperative learning in speaking classes in elementary school. This study used a qualitative design with an interview approach with teachers to investigate problems in implementing cooperatives. This study report involves one teacher who has participated and has implemented cooperative learning for at least three years. The current study uses the interview data collection method to investigate the implementation of cooperative learning in MI TPI Keramat. The result indicates some problems the teacher faced in implementing cooperative learning in the classroom. The main problem faced by students in cooperative learning is group conflict.</em>

Not all students have been influenced by their parents background in choosing their career. The aim of this study is to examine patterns of career development for school students based on Super Career Development Theory. Descriptive research design based on cases and document analysis has been used in this study. Research participants were selected through purposive sampling and data were collected through interviews and document analysis. Results show that there are four themes identified based on Super Career Development Theory, namely students do not depend on the work of parents in determining their career, mental ability is not an important element in shaping the career self concept, the personality characteristics possessed by students influenced the way they perceive about their careers, and the pattern of career development is based on employment opportunities that existed. As a whole, this study may contribute to the development of the Super Career Development Theory.

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