Puspitasari, Reni, et al. “Audio Visual Teaching Materials Based on Flash to Train Students Skill to Create Mind Mapping in Simple Harmonic Motion”. PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL), vol. 9, no. 1, Dec. 2020, p. SNF2020PF-47, doi:10.21009/03.SNF2020.02.PF.07.