KHOLIK, Kholilul; 						HAJAR, Siti.
 ADAPTIVE HUMAN RESOURCE DEVELOPMENT IN SUPPORTING SUSTAINABLE DEVELOPMENT BASED ON GEO-TOURISM IN THE LAKE TOBA CALDERA AREA.
<strong>Iapa Proceedings Conference</strong>, [S.l.], p. 474-482, nov. 2025.
ISSN 2686-6250.
Available at: &lt;<a href="https://journal.iapa.or.id/proceedings/article/view/1364" target="_new">https://journal.iapa.or.id/proceedings/article/view/1364</a>&gt;. Date accessed: 17 jan. 2026.
doi: <a href="https://doi.org/10.30589/proceedings.2025.1364">https://doi.org/10.30589/proceedings.2025.1364</a>.