R. Rohmat, W. Wakhudin, S. Anggoro, and I. K. Aryani, “Implementasi Model Problem Based Learning Berbantuan Media Google Sites dalam Penguatan Kemampuan Numerasi Siswa Sekolah Dasar”, J. Educ. Res., vol. 7, no. 2, pp. 1108–1119, Jun. 2026.