Risdianto, M.Cs, Eko, and Ardian Budi Kusuma, S.Pd. 2016. “PEMBUATAN MULTIMEDIA INTERAKTIF TEKNIK OPERASIONAL SPSS 22”. PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) 5 (October):SNF2016-RND. https://doi.org/10.21009/0305010220.