Gaya APA
Carbon; Notrogen ratio as contreol element in sharimp culture
.
(2011).
Medan:
Universitas HKBP Nommensen.
Gaya MLA
Carbon; Notrogen ratio as contreol element in sharimp culture
.
.
Medan:
Universitas HKBP Nommensen,
2011.
Artikel.