Expert Crop Protection and Advice on Obtaining a Certificate of Competence (Sachkundig im Pflanzenschutz - Arbeitshilfe zum Erlangen des Sachkundenachweises im Pflanzenschutz) German Text
Written by William Klein, Werner Grabler, Jacob Maier and Dr. Helmut Tischner. This proven guide contains all the material required for the German certificate in competence for plant protection for users and sellers of pesticides. 376 multiple-choice practice questions. 13th edition, 2011. 148 pages (64 pages of questions). Text in...