Artículos
2. ANALYTICAL ASSESSMENT BY COLORIMETRIC METHOD OF ALUMINIUM DETERMINATION DISSOLVED IN WATER.
6. PHENOLIC COMPOUNDS IN FOOD.
7. NEW PYROLYTIC/ATRANO ROUTE FOR LiCoO2 Y LiMn2O4 CATHODIC ELECTRODES SYNTHESES.
8. PERSPECTIVES ON THE DEVELOPMENT OF INTERESTING METAL SULPHIDES IN SEMICONDUCTORS IN BOLIVIA.