Reny Refitaningsih Peby Ria. “Evaluasi Program Kelas Riset Di MAN 2 Ponorogo Pada Masa Pandemi COVID-19”. Jurnal Evaluasi Pendidikan 12, no. 2 (October 23, 2021): 43 - 50. Accessed June 9, 2025. http://103.8.12.212:33180/unj/index.php/jep/article/view/21377.