Hariyadi, Adhi, Agus Priambudi, Ridwan Setiawan, Daryan Daryan, Asep Yayus, and Hendra Purnama. 2011. “Estimating the Population Structure of Javan Rhinos (Rhinoceros Sondaicus) in Ujung Kulon National Park Using the Mark- Recapture Method Based on Video and Camera Trap Identification”. Pachyderm 49 (June):90-99. https://pachydermjournal.org/index.php/pachyderm/article/view/254.