Djidu, Hasan, et al. “Quality of Performance Assessment Instruments for Educators in Higher Education: Implementation of Factor Analysis And Generalizability Theory”. Jurnal Penelitian Dan Pengkajian Ilmu Pendidikan: E-Saintika, vol. 7, no. 2, July 2023, pp. 144-59, https://doi.org/10.36312/esaintika.v7i2.716.