Pudjastuti, K. T., Agustika, G. N. S. dan Wiyasa, I. K. N. (2024) “Improving the Numeracy Skills Elementary School Students by Problem Based Learning Model”, MIMBAR PGSD Undiksha, 12(1), hlm. 57–63. doi: 10.23887/jjpgsd.v12i1.69233.