Gaya APA
Productivity and social economic conditions of rubber small holder's in Kabupaten Banyuasin, South . (2012).
Surabaya:
PPPM STIE Perbanas.
Gaya MLA
Productivity and social economic conditions of rubber small holder's in Kabupaten Banyuasin, South .
.
Surabaya:
PPPM STIE Perbanas,
2012.
Artikel.