Musa, R. T., Abd Karim, N. S., Adenan, N. H., Tarmizi, R. A., Md Junus, N. W., & Anak Kelong, V. E. (2021). Tahap kesediaan Guru Pelatih Matematik UPSI dalam melaksanakan PAK21: The level of readiness on the implementation of PAK21 among pre-services Mathematics teachers at UPSI. Jurnal Pendidikan Bitara UPSI, 14, 82–91. https://doi.org/10.37134/bitara.vol14.sp.9.2021