Lina, Erlina Yusliani, and Desnita Desnita. “Validity and Reliability of Critical Thinking Instruments to Measure the Effectiveness of Context-Based Physics E-Module on Wave Materials”. Jurnal Penelitian & Pengembangan Pendidikan Fisika, vol. 8, no. 1, June 2022, pp. 57-64, doi:10.21009/1.08106.