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