Antifungal activity of propolis obtained at three Cuban provinces against fungal contaminants in plant tissue culture René Dionisio Cupull-Santana, Remigio Cortés-Rodríguez, Ervelio Eliseo Olazábal-Manso, Carlos Alberto Hernández Medina 3-9 PDF (Spanish)
Regional climatic indices for the Sierra Gorda of Guanajuato J. C. Martínez Arredondo, V. M. Ortega-Chávez, Y. R. Ramos Arroyo 10-25 PDF (Spanish)
Job insecurity of youth employed in the Province of Buenos Aires, Argentina Estefanía Solari 26-33 PDF (Spanish)
Human development index. An approach from the central bajio region Juan Antonio Rodríguez González, Alex Ricardo Caldera Ortega 34-42 PDF (Spanish)
Mexican votive offerings and altarpieces. From acts of faith to the plastic statement Lucía Elena Acosta Ugalde 43-50 PDF (Spanish)
