DWI SURYANTO
(1), ANTONIUS SUWANTO
(2), ANJA MERYANDINI
(3)
(1)
; Dept. of Biology, Faculty of Science and Mathematics, North Sumatra University,, Indonesia ,
(2)
South East Asian Regional Center for Tropical Biology (SEAMEO-BIOTROP), Bogor, Indonesia 3 Dept. of Biology, Faculty of Science and Mathematics, Bogor Agricultural University, Bogor, Indonesia, Indonesia ,
(3)
Dept. of Biology, Faculty of Science and Mathematics, Bogor Agricultural University, Bogor, Indonesia, Indonesia