1.
Widiana IW, Tegeh IM, Parwata IGLA, . H. Improving Student’s Factual Knowledge with Concrete Media through Observing Activities in Scientific Approaches in Elementary Schools. JEELR [Internet]. 2020 Aug. 31 [cited 2024 Mar. 29];7(3):293-9. Available from: http://asianonlinejournals.com/index.php/JEELR/article/view/2069