Siswono E, Djulaiqha N. PENINGKATAN KOMPETENSI PROFESIONAL GURU IPS (Studi Kasus Di MGMP IPS Kecamatan Cengkareng Jakarta Barat). EIPS [Internet]. 2017Aug.10 [cited 2024May3];1(1):1-11. Available from: https://journal.unj.ac.id/unj/index.php/eips/article/view/3196