Purwoningsih, Tuti. “EVALUASI FORMATIF BAHAN AJAR FISIKA DASAR 1”. PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) 40 (October 30, 2015): SNF2015-IV. Accessed April 20, 2025. http://103.8.12.212:33180/unj/index.php/prosidingsnf/article/view/5019.