Sasmi, Weni Tri, Ajat Sudrajat, and Iis Siti Jahro. “Pengembangan Buku Ajar Kimia SMA MA Kelas XI Semester Genap Terinternalisasi Nilai-Nilai Karakter Siswa”. Jurnal Pendidikan Kimia 8, no. 1 (April 29, 2016): 27–36. Accessed July 4, 2025. https://jurnal.unimed.ac.id/2012/index.php/jpk/article/view/4422.