PURBA, Desi Natalia; DAMANIK, Marini; SILABAN, Saronom; SIMATUPANG, Lisnawaty. The difference of student™s activities and learning outcome with problem based learning using macromedia flash and handout. Jurnal Pendidikan Kimia, [S. l.], v. 10, n. 3, p. 403–408, 2018. DOI: 10.24114/jpkim.v10i3.12704. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/jpk/article/view/12704. Acesso em: 3 jul. 2025.