“PENGARUH TES FORMATIF YANG DIBERI UMPAN BALIK TERHADAP HASIL BELAJAR MATEMATIKA SISWA DI SMA NEGERI 4 DEPOK” (2023) Profesi : Journal of Educational and Teaching Sciences, 12(1), pp. 27–44. Available at: https://jurnal.pmpp.or.id/index.php/profesi/article/view/286 (Accessed: 19 February 2026).