Saragih HT, Ilmi M, Nopitasari S, Audinah L, Widyasari A, Arum Sari M, Masri M, Palilu PT, Prabowo BH, Soleha S, Solikhah A, Fitriana N (eds.): 6th International Conference on Biological Science (ICBS 2019) - Biodiversity as a Cornerstone for Embracing Future Humanity. AIP Conference Proceedings, volume 2260; AIP Publishing; p. 040030; ISBN 978-0-7354-2020-5