Heni Astuti. “Hubungan Antara Kemandirian Belajar Terhadap Hasil Belajar Kimia Siswa Kelas X SMAN 7 Purworejo”. Journal of Tropical Chemistry Research and Education, vol. 4, no. 1, Apr. 2022, pp. 55-63, doi:10.14421/jtcre.2022.41-06.