Charlos Falentino, Alphero Tanlianto, and Evanita Mutang. “Evaluating the Effectiveness of Physics Olympiad Training: A Pretest-Posttest Study Among High School Students in East Kalimantan”. Jurnal Literasi Pendidikan Fisika (JLPF), vol. 5, no. 2, Nov. 2024, pp. 156-62, doi:10.30872/jlpf.v5i2.4278.