Mambai, N. E., Triwiyono, and A. Lumbu. “Implementation of an Inquiry Model Assisted With PHET and Teaching Aids to Improve Vocational Students’ Learning Outcomes in The Sound Waves Concept”. Impulse: Journal of Research and Innovation in Physics Education, vol. 2, no. 2, Dec. 2022, pp. 97-106, doi:10.14421/impulse.2022.22.04.