D. Ramadhan and W. Wasis, “Analisis Perbandingan Level Kognitif dan Keterampilan Proses Sains dalam Standar Isi (SI), Soal ‎Ujian Nasional (UN), Soal (Trends in International Mathematics and Science Study (TIMSS), dan ‎Soal Programme for International Student Assessment (PISA)‎”, ipf, vol. 2, no. 1, pp. 20–25, Apr. 2025.