Nurjannah, A., A. Gani, E. Evendi, M. Syukri, and E. Elisa. “Question Webs-Based Learning: Science Process Skills and Scientific Questioning Skills of Students on Harmonic Motion Topic”. Momentum: Physics Education Journal, vol. 4, no. 1, May 2020, pp. 38-48, doi:10.21067/mpej.v4i1.4402.