Darwance, Darwance, 		Yokotani, Yokotani, AND 		Anggita, Wenni.
" Kekayaan Intelektual di Kepulauan Bangka Belitung; Studi Terhadap Upaya Proteksi" <em>Kertha Patrika</em> [Online], Volume 43 Number 2 (30 June 2021)