SUSILOWATI, Eka.
 Comparison of WhatsApp and Google Classroom Group Online Learning Models to Student Learning Outcomes.
<strong>Journal of Medives : Journal of Mathematics Education IKIP Veteran Semarang</strong>, [S.l.], v. 5, n. 1, p. 61-73, jan. 2021.
ISSN 2549-5070.
Available at: &lt;<a href="https://e-journal.ivet.ac.id/index.php/matematika/article/view/1436" target="_new">https://e-journal.ivet.ac.id/index.php/matematika/article/view/1436</a>&gt;. Date accessed: 29 july 2025.
doi: <a href="https://doi.org/10.31331/medivesveteran.v5i1.1436">https://doi.org/10.31331/medivesveteran.v5i1.1436</a>.