SAID A, . H. PENGEMBANGAN MULTIMEDIA PEMBELAJARAN PADA MATA KULIAH PENELITIAN TINDAKAN KELAS (PTK) DI UPBJJ “ UT MEDAN. JTP [Internet]. 2012 Oct. 1 [cited 2025 Jun. 7];5(2). Available from: https://jurnal.unimed.ac.id/2012/index.php/jtp/article/view/4969