Glenday, Craig (2013). "Dynamic Earth". Guinness Book of World Records 2014. The Jim Pattison Group. p. 15. ISBN978-1-908843-15-9. 26 December 2004: Longest earthquake...between 500 and 600 seconds.
Aida, Melly; Tahar, Abdul Muthalib; Davey, Orima (2023), Perdana, Ryzal; Putrawan, Gede Eka; Saputra, Bayu; Septiawan, Trio Yuda (eds.), "Ecocide in the International Law: Integration Between Environmental Rights and International Crime and Its Implementation in Indonesia", Proceedings of the 3rd Universitas Lampung International Conference on Social Sciences (ULICoSS 2022), Advances in Social Science, Education and Humanities Research, vol. 740, Paris: Atlantis Press SARL, pp. 572–584, doi:10.2991/978-2-38476-046-6_57, ISBN978-2-38476-045-9
"Daerah Produsen Kopi Arabika di Indonesia" [Regional Arabica Coffee Producers in Indonesia]. KopiDistributor.com (in Indonesian). KD 1995. 28 February 2015. Archived from the original on 2 April 2015. Retrieved 28 February 2015.
"Daerah Produsen Kopi Arabika di Indonesia" [Regional Arabica Coffee Producers in Indonesia]. KopiDistributor.com (in Indonesian). KD 1995. 28 February 2015. Archived from the original on 2 April 2015. Retrieved 28 February 2015.
"Hellen Kurniati". The Rufford Foundation. Archived from the original on 25 August 2017. Retrieved 25 August 2017.