Purba, S. T., Rajagukguk, S. and Yana, M. D. (2021) “ANALISIS KESULITAN BELAJAR SISWA DALAM MEMAHAMI MATERI SISTEM REGULASI MANUSIA DI KELAS XI SMA SWASTA KARTIKA 1-4 PEMATANGSIANTAR TAHUN AJARAN 2020/2021: ANALYSIS OF STUDENTS’ LEARNING DIFFICULTIES IN UNDERSTANDING THE MATERIALS HUMAN REGULATION SYSTEM IN CLASS XI SMA PRIVATE KARTIKA 1-4 ADMINISTRATION FOR THE 2020/2021 ACADEMIC YEAR”, MetaBio : Jurnal Pendidikan (Edisi Elektronik), 3(2), pp. 24–33. Available at: https://jurnal.usi.ac.id/index.php/metabio/article/view/40 (Accessed: 21 May 2024).