SULISTYOWATI, Fitria; 						HARINI, Esti.
 A Preliminary Study: Why Develop High Order Thinking Skills Worksheets Based on the 3N.
<strong>Journal of Medives : Journal of Mathematics Education IKIP Veteran Semarang</strong>, [S.l.], v. 5, n. 1, p. 105-117, jan. 2021.
ISSN 2549-5070.
Available at: &lt;<a href="https://e-journal.ivet.ac.id/index.php/matematika/article/view/1462" target="_new">https://e-journal.ivet.ac.id/index.php/matematika/article/view/1462</a>&gt;. Date accessed: 27 july 2025.
doi: <a href="https://doi.org/10.31331/medivesveteran.v5i1.1462">https://doi.org/10.31331/medivesveteran.v5i1.1462</a>.