Supartin, et al. “Practicality of the OPthree Learning Model Assisted by Google Sites Based on Pancasila Student Profiles to Practice Students’ Scientific Literacy Skills”. Jurnal Penelitian Pendidikan IPA, vol. 10, no. 6, June 2024, pp. 3017-23, doi:10.29303/jppipa.v10i6.6947.