@article{{fkip-epro}{}, author = {Alfiani, R., Harijanto, A., Wahyuni, S.}, title = { KELAYAKAN LEMBAR KERJA SISWA (LKS) BERBASIS OPEN-ENDED QUESTIONS PADA POKOK BAHASAN GETARAN HARMONIK SEDERHANA DI SMA}, journal = {FKIP e-PROCEEDING}, volume = {2}, number = {1}, year = {2017}, url = {https://jurnal.unej.ac.id/index.php/fkip-epro/article/view/6366} }