Bunawan, W., Mihardi, S., Sitompul, P., & Ramadhani, I. . (2023). Improving Graphical and Numerical Representational Competence Coherence with Laboratory Investigation and Computer to Solve Problem-Solving of Geometry Optical Materials . Jurnal Penelitian Pendidikan IPA, 9(7), 5055–5061. https://doi.org/10.29303/jppipa.v9i7.4153