“Implementation Auditory-Intellectually-Repetition of Redox Material to Improve Learning Outcomes in Class X High School Students 1 Krueng Barona Jaya”. Jurnal Pendidikan Kimia, vol. 12, no. 3, Dec. 2020, pp. 136-42, https://doi.org/10.24114/jpkim.v12i3.21162.