Kurniawan, Nur Ichsanuddin Achmad, and Sudji Munadi. “Analysis of the Quality of Test Instrument and students’ Accounting Learning Competencies at Vocational School”. Jurnal Penelitian Dan Evaluasi Pendidikan, vol. 23, no. 1, June 2019, pp. 68-75, doi:10.21831/pep.v23i1.22484.