Alfiani, Rizky, 		Harijanto, Alex, AND 		Wahyuni, Sri.
" KELAYAKAN LEMBAR KERJA SISWA (LKS) BERBASIS OPEN-ENDED QUESTIONS PADA POKOK BAHASAN GETARAN HARMONIK SEDERHANA DI SMA" <em>FKIP e-PROCEEDING</em> [Online], Volume 2 Number 1 (23 December 2017)