SITORUS, Berlian.
 POLA PENGELUARAN WISATAWAN DI BANGKA BELITUNG.
<strong>Jurnal IPTA (Industri Perjalanan Wisata)</strong>, [S.l.], v. 7, n. 1, p. 36-40, july 2019.
ISSN 2548-7930.
Available at: &lt;<a href="http://103.29.196.112/index.php/pariwisata/article/view/51380" target="_new">http://103.29.196.112/index.php/pariwisata/article/view/51380</a>&gt;. Date accessed: 17 dec. 2025.
doi: <a href="https://doi.org/10.24843/IPTA.2019.v07.i01.p05">https://doi.org/10.24843/IPTA.2019.v07.i01.p05</a>.