Pikoli, M., Amu, S. F. M. and Suleman, N. (2024) “Implementation of Problem-Solving Learning Model to Improve Problem-Solving Skills of MAN 1 Kota Gorontalo Students”, Hydrogen: Jurnal Kependidikan Kimia, 12(4), pp. 793–804. doi: 10.33394/hjkk.v12i4.11646.