Muhajir, Muhajir. “UNDERSTANDING OF EARLY NUMBER AND NUMERATION OF MATHEMATICS AT IIUM EDUCARE, GOMBAK, MALAYSIA”. Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika, vol. 7, no. 1, May 2019, pp. 1-12, doi:10.25139/smj.v7i1.1156.