Wahab, Aulia Dwi Amalina, et al. “The Effectiveness of English Teaching Materials Based on Content and Language-Integrated Learning (CLIL) to Increase the Technological Pedagogical Content Knowledge (TPACK) of Prospective Biology Teachers”. Jurnal Pijar Mipa, vol. 18, no. 1, Jan. 2023, pp. 20-24, doi:10.29303/jpm.v18i1.4573.