Mahendran, K. et al. 2021. Analisis Tahap Pengetahuan Pedagogi Kandungan (PCK) Guru Pelatih Matematik: Analysis Pedagogical Content Knowledge (PCK) Level of The Mathematic Trainee Teachers. Jurnal Pendidikan Bitara UPSI. 14, (Apr. 2021), 72–81. DOI:https://doi.org/10.37134/bitara.vol14.sp.8.2021.