Bahtiar, Yuyun. 2019. “The Implementation of Lesson Study in Learning English to Increase the Students’ Result to Students Offerings C in Malang University: The Implementation of Lesson Study in Learning English to Increase the Students’ Result to Students Offerings C in Malang University”. JoEMS (Journal of Education and Management Studies) 2 (1):60-65. https://ojs.unwaha.ac.id/index.php/joems/article/view/66.