Title:Description of the policies applied and impact of credit on the agro chain food of conventional coffee in Costa Rican duringthe periods: 1998-1999 and 2000- 2001
Title:Expression of a Bacillus thuringiensisδ-endotoxin cry1Ab gene in Bacillus subtilis and Bacillus licheniformis strains that naturally colonize the phylloplane of tomato plants (Lycopersicon esculentum, Mills)