Fajarwati, Retno, et al. “A Preliminary Study on the Development and Validation of an Academic Buoyancy Instrument for Final Year Students”. Nusantara of Research : Jurnal Hasil-Hasil Penelitian Universitas Nusantara PGRI Kediri, vol. 13, no. 2, July 2026, pp. 141-9, https://doi.org/10.29407/nor.v13i2.28517.