HANIFAH, Yosi; LESTARI, Tuti. THE EFFECTIVENESS OF DISTANCE LEARNING (PJJ) ON UNDERSTANDING THE CONCEPT OF STUDENTS ON SCIENCE SUBJECT IN SMPN KECAMATAN LAREH SAGO HALABAN. Universe, [S. l.], v. 2, n. 2, p. 198–203, 2021. DOI: 10.24036/universe.v2i2.105. Disponível em: http://universe.ppj.unp.ac.id/index.php/universe/article/view/105. Acesso em: 17 apr. 2026.