Home › Authors › Sidney Willig 👤 Sidney Willig 2 books Books by Sidney Willig Good Manufacturing Practices for Pharmaceuticals: A Plan for Total Quality Control from Manufacturer (Drugs and the Pharmaceutical Sciences: a Series of Textbooks and Monographs) 2000 Rhizosphere : Biochemistry and Rhizosphere : Biochemistry and Organic Substance at the Soil-Plant Interface 2000