HOTASINA SILAEN, Cathelya Yosephine.
 Community Involvement on Caldera Toba Geopark Development Case Study: Pusuk Buhit Area, Samosir Regency.
<strong>E-Journal of Tourism</strong>, [S.l.], p. 110-128, aug. 2017.
ISSN 2407-392X.
Available at: &lt;<a href="https://ojs.unud.ac.id/index.php/eot/article/view/36404" target="_new">https://ojs.unud.ac.id/index.php/eot/article/view/36404</a>&gt;. Date accessed: 15 oct. 2025.
doi: <a href="https://doi.org/10.24922/eot.v4i2.36404">https://doi.org/10.24922/eot.v4i2.36404</a>.