Bilad, M.R. et al. 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 (Dec. 2022), 49–60. DOI:https://doi.org/10.36312/ijece.v1i2.782.