J. M. Holguín, “PACHAMAMA HAMPIA QHORANCHISKUNA (THE MEDICINAL PLANTS OF OUR MOTHER LAND). EXPERIENCES IN ECOLOGICAL CULTIVATION OF MEDICINAL AND AROMATIC ANDINE PLANTS AT THE SACRED VALLEY OF THE INCAS”, Rev. Ciênc. Agrovet., vol. 5, no. 4, pp. 32–41, Oct. 2006.