Wiganingrum, T. et al. 2019. LEMBAR KERJA ELEKTRONIK PESERTA DIDIK DILENGKAPI VIDEO ANIMASI BERBASIS GUIDED DISCOVERY PADA MATERI GERAK HARMONIS SEDERHANA . PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL). 8, (Dec. 2019), SNF2019–PE. DOI:https://doi.org/10.21009/03.SNF2019.01.PE.38.