Oktasari, Depi, et al. “The Technology Pedagogy Knowledge (TPK) Teacher Using Worksheet 3D Pageflip Professional for Promoting Argumentation Skills High-Schools Students in Physics Learning”. Jurnal Penelitian & Pengembangan Pendidikan Fisika, vol. 4, no. 2, Dec. 2018, pp. 131-40, doi:10.21009/1.04210.