Wirayudha, Adam Wahyu, and Retno Tri Hariastuti. 2026. “Implementation of Group Guidance Problem Solving Techniques to Improve Students’ Time Management Skills”. Nusantara of Research : Jurnal Hasil-Hasil Penelitian Universitas Nusantara PGRI Kediri 13 (1): 66-82. https://doi.org/10.29407/nor.v13i1.28579.