Guntara, Y., & Utami, I. S. (2021). Implementation of Augmented Physics Animation Integrated Crosscutting Concept COVID 19 in Facilitating Problem Solving Skills and Disaster Preparedness. Jurnal Penelitian & Pengembangan Pendidikan Fisika, 7(1), 43 - 52. https://doi.org/10.21009/1.07105