IDENTIFICATION AND COMPOSITION OF FEEDING PLANTSPECIES OF SIMAKOBU MONKEYS (Simias concolor) IN NORTHERN SIBERUT, MENTAWAI ARCHIPELAGO - Lestari, Nurul Silva; Balai Besar Penelitian Dipterokarpa Jln. AW. Syahrani No. 68 Samarinda. Telp. (0541) 742298 (Pusbindiklat Peneliti - LIPI, 2011)