Hariyadi, A., R. Setiawan, A. Daryan, A. Yayus, and H. Purnama. “Preliminary Behaviour Observations of the Javan Rhinoceros (Rhinoceros Sondaicus) Based on Video Trap Surveys in Ujung Kulon National Park”. Pachyderm, vol. 47, June 2010, pp. 93-99, https://pachydermjournal.org/index.php/pachyderm/article/view/216.