| Table of contents Univ. Sci. vol.23 no.1 Bogotá Jan./Apr. 2018 Between Open Sets and Semi-Open Sets Ghour, Samer Al; Mansur, Kafa; Salcedo-Reyes, Juan Carlos
| | Rollinia mucosa (Jacq.) Baillon (Annonaceae) active metabolites as alternative biocontrol agents against the lace bug Corythucha gossypii (Fabricius): an insect pest Giraldo Rivera, Ana Isabel; Guerrero Alvarez, Gloria Edith; Salcedo-Reyes, Juan Carlos
| | Polyhydroxyalkanoate biosynthesis by oxalotrophic bacteria from high Andean soil Castillo Arteaga, Roger David; Burbano-Rosero, Edith Mariela; Otero-Ramírez, Iván Darío; Roncallo, Juan Camilo; Hidalgo-Bonilla, Sandra Patricia; Fernández-Izquierdo, Pablo
| | Titanium Dioxide Nanoparticles and Sodium Nitroprusside Alleviate the Adverse Effects of Cadmium Stress on Germination and Seedling Growth of Wheat (Triticum aestivum L.) Faraji, Javad; Sepehri, Ali; Salcedo-Reyes, Juan Carlos
| | Agrobacterium-mediated transformation of the wild orchid Cattieya maxima Lindi Cueva-Agila, Augusta Y.; Cella, Rino; Salcedo-Reyes, Juan Carlos
| | Application of physico-chemical indexes and BMWP / Col. to establish the impact of urbanization on Río Frío (Bucaramanga, Colombia) Restrepo-Manrique, Ricardo; Salcedo-Reyes, Juan Carlos
| | An investigation on the effect of humidity on the zero signal of a strain gauge measuring system Khaled, K.M.; Mahmoud, G.M.
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