Novanto AE, Sutama S, Desstya A, Prastiwi Y, Rahmawati LE. Development of Optical Equipment Learning Media with the Utilization of Used Goods in Elementary School Science Subjects. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2023 Dec. 25 [cited 2024 Sep. 27];9(SpecialIssue):1151-64. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/4217