Ningrum, A., Jayusman, J., & Amin, S. (2020). Development of History Teaching Materials in the Form of Booklets on the Proclamation of Indonesian Independence Materials to Increase the Learning Interest of Grade XI Students of SMAN 1 Kertek Wonosobo. Indonesian Journal of History Education, 5(1), 49-60. Retrieved from https://journal.unnes.ac.id/sju/ijhe/article/view/19914