Prahani, B. K., Ramadani, A. H., Kusumawati, D. H., Suprapto, N., Madlazim, M., Jatmiko, B., Supardi, Z. A. I., Mubarok, H., Safitri, S. and Deta, U. A. (2020) “ORNE Learning Model to Improve Problem-Solving Skills of Physics Bachelor Candidates: An Alternative Learning in the Covid-19 Pandemic”, Jurnal Penelitian Fisika dan Aplikasinya (JPFA), 10(1), pp. 71–80. doi: 10.26740/jpfa.v10n1.p71-80.