THE ESSENTIAL CONTRIBUTION OF CAPTIVE SUMATRAN ELEPHANT IN ELEPHANT TRAINING CENTER, WAY KAMBAS NATIONAL PARK FOR WILDLIFE GENETICS CONSERVATION oleh Elly Lestari Rustiati, Priyambodo Priyambodo, Yanti Yulianti, Eko Agus Srihanto, Dian Neli Pratiwi, Elsa Virnarenata, Tika Novianasari, Elisabeth Devi Krismuniarti, Enny Saswiyanti