Andriani, Andriani, Nelius Harefa, Elferida Sormin, and St Fatimah Azzahra. 2021. “Students™ Learning Outcomes on Hydrocarbon Materials through Mind Mapping Method”. Jurnal Pendidikan Kimia 13 (3):223-29. https://doi.org/10.24114/jpkim.v13i3.29381.