Purwanti, Eko, and Endro Dwi Hatmanto. “Understanding EFL Teachers’ Beliefs about Lesson Study and Their Knowledge Development Viewed from Social Cultural Theory of Vygotsky”. English Language Teaching Educational Journal 2, no. 2 (January 4, 2020): 50–61. Accessed November 28, 2024. http://journal2.uad.ac.id/index.php/eltej/article/view/1241.