Marnizam, F. I., and S. R. Ali. “Evaluation of The Implementation of Classroom Assessment (PBD) Among Primary School Mathematics Teachers: Penilaian Pelaksanaan Pentaksiran Bilik Darjah (PBD) Dalam Kalangan Guru Matematik Sekolah Rendah”. Jurnal Pendidikan Sains Dan Matematik Malaysia, vol. 11, no. 2, Oct. 2021, pp. 81-94, doi:10.37134/jpsmm.vol11.2.7.2021.