Saumi, Marhamah, Sanjaya Sanjaya, and K. Anom Wancik. “PENINGKATAN HASIL BELAJAR KIMIA MELALUI PERAN TUTOR SEBAYA SISWA KELAS X.A SMA”. Jurnal Penelitian Pendidikan Kimia: Kajian Hasil Penelitian Pendidikan Kimia 1, no. 1 (November 21, 2015): 43–50. Accessed June 15, 2025. https://jppk.ejournal.unsri.ac.id/index.php/jurpenkim/article/view/2383.