Bilad, Muhammad Roil, Aris Doyan, and Susilawati Susilawati. 2022. “Analyzing STEM Students’ Critical Thinking Performance: Literacy Study on the Polymer Film Fabrication Process Irradiated With Gamma Rays”. International Journal of Essential Competencies in Education 1 (2): 49-60. https://doi.org/10.36312/ijece.v1i2.782.