Gaya APA
Saifuyllah, A. (2013).
Water management improvement of pulpwood plantation forest in low land .
surabaya:
Adm Publik Unsri.
Gaya MLA
Saifuyllah, Ahmad.
"Water management improvement of pulpwood plantation forest in low land".
surabaya:
Adm Publik Unsri,
2013.
Text.