TY  - BOOK
AU  - Wiradnyana,Ketut
TI  - Prasejarah Sumatera bagian utara: kontribusinya pada kebudayaan kini 
SN  - 9789794617939
PY  - 2011///
CY  - Jakarta
PB  - Yayasan Pustaka Obor Indonesia
KW  - Prehistoric peoples
KW  - Indonesia
KW  - Sumatra
KW  - Sumatra (Indonesia)
KW  - Antiquities, Prehistoric
KW  - Civilization
N1  - Includes bibliographical references : (page 298-309) and index
N2  - Prehistory of northern part of Sumatera
ER  -