Sagita, Dea, and Amali Putra. “Validitas Dan Praktikalitas E-LKPD Berbasis Problem Based Learning Materi Momentum Dan Impuls”. Jurnal Pendidikan Tambusai, vol. 7, no. 3, Oct. 2023, pp. 22181-9, doi:10.31004/jptam.v7i3.10041.