Pravesti, Cindy Asli, Elia Firda Mufidah, Eva Nanda Nurlitasani, and Elly Dwi Putri Utari. 2023. “Development of Self-Efficacy Scale for 21st-Century Guidance and Counseling Teachers”. Nusantara of Research : Jurnal Hasil-Hasil Penelitian Universitas Nusantara PGRI Kediri 10 (4):407-15. https://doi.org/10.29407/nor.v10i4.21309.