ZAINI, Achmad.
 Twenty-Five Years of Hajj–Umrah Research (2001–2025): A Global Bibliometric and Science-Mapping Overview.
<strong>Proceeding Annual Symposium on Hajj and Umrah Medicine</strong>, [S.l.], v. 3, p. 69-74, jan. 2026.
ISSN 2987-548X.
Available at: &lt;<a href="https://urj.uin-malang.ac.id/index.php/anshar/article/view/3789" target="_new">https://urj.uin-malang.ac.id/index.php/anshar/article/view/3789</a>&gt;. Date accessed: 24 july 2026.
doi: <a href="https://doi.org/10.18860/anshar.v3i0.3789">https://doi.org/10.18860/anshar.v3i0.3789</a>.