Abbas, M. A. “THE PROBLEMS OF DEVELOPING LESSON PLAN FACED BY ENGLISH TEACHERS AT SMP NEGERI 3 MALUNDA”. Jurnal Keguruan Dan Ilmu Pendidikan (JKIP), vol. 8, no. 1, June 2021, pp. 1-13, https://jurnal.fkip.unismuh.ac.id/index.php/jkip/article/view/380.