1.
Putri YJJ, Desnita D, Satri Y. Validity and Practicality of Student Worksheet Integrated by Sound Wave Experiment Set Using Smartphone with Sound Analyzer Basic 1.10.2 and Frequency Generator 2.6 Software. jpppf [Internet]. 2024 Jun. 15 [cited 2024 Nov. 24];10(1):123-38. Available from: https://journal.unj.ac.id/unj/index.php/jpppf/article/view/36070