Bahtiar, Bahtiar, et al. “The Trend of Technology Pedagogical Content Knowledge (TPACK) Research in 2012-2022: Contribution to Science Learning of 21st Century”. Jurnal Penelitian Pendidikan IPA, vol. 9, no. 5, May 2023, pp. 39-47, doi:10.29303/jppipa.v9i5.3685.