2 كتب إلكترونية بواسطة Lewis C. Sawyer
Lewis C Sawyer: Prison Growth and Economic Impact
The U.S. prison system has exploded in size and economic importance during the past three decades, due to a variety of factors including mandatory sentencing laws and tougher drug enforcement efforts …
PDF
DRM
€296.48
Ryan J Paterson: Lignin
As a biopolymer, lignin is unusual because of its heterogeneity and lack of a defined primary structure. Its most commonly noted function is the support through strengthening of wood (xylem cells) in …
PDF
DRM
€167.12