Apriani NWR, Doyan A, Sridana N, Susilawati S. The validity of Physical Learning Device Based on Discovery Learning Model Assisted by Virtual Laboratory. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2020 May 26 [cited 2024 Apr. 24];6(2):132-5. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/413