Timo Pukkala, editor
Continuous cover forestry
[, Springer], 2012
eBooks
The cover Mary W. LoLordo
Artikel Jurnal
Thomas, Graham Stuart
Plants for ground-cover
Oregon Sagapress, 1990
Buku Teks
Robinson, Andrew
The story of measurement
Thames & Hudson, 2007
Buku Teks
Wilder
This Is America's story
Gramedia, 1956
Buku Teks