Kinasih, Rachmadaniz Audrey, et al. “Profile of students’ Physics Problem Solving Skills and Implementation PBL Model Assisted by 3D Digital Module to Improve Problem Solving Skills”. Jurnal Penelitian & Pengembangan Pendidikan Fisika, vol. 9, no. 2, Dec. 2023, pp. 245-56, doi:10.21009/1.09207.