Hastari, Ratri Candra. “Penguatan Literasi Matematika Di Tengah Pandemi Covid-19 Melalui Kampus Mengajar 2”. Jurnal Pengabdian Dharma Laksana, vol. 5, no. 1, Aug. 2022, pp. 100-6, doi:10.32493/j.pdl.v5i1.23439.