Lesmono, A., Anggraini, S., & Handono, S. (2017). PENGEMBANGAN LEMBAR KERJA SISWA (LKS) FISIKA BERBASIS POE MATERI GERAK HARMONIS SEDERHANA DI MAN. FKIP E-PROCEEDING, 2(1), 7. Retrieved from https://jurnal.unej.ac.id/index.php/fkip-epro/article/view/6375