AmbarwatiPragita Dyah, Enok Maryani, and YaniAhmad. “The Quality of Geography Textbook of Twelve-Grade and Their Implications for The Development of Students Geographic Thinking Skills”. International Conference on Elementary Education 3, no. 1 (April 12, 2021): 342-348. Accessed November 28, 2024. http://proceedings.upi.edu/index.php/icee/article/view/1483.