Citation: E. Velez et Pa. Sundaram, HYDROGEN EFFECTS ON THE MECHANICAL-PROPERTIES OF AI-LI-2090 ALLOY IN AN ACID ENVIRONMENT, Scripta materialia, 38(3), 1998, pp. 437-441
Citation: F. Ortega et al., SYNTHESIS AND USE OF REVERSE-PHASE SILICA-GEL FOR HPLC IN UNDERGRADUATE CHEMISTRY, Journal of chemical education, 73(2), 1996, pp. 26-32
Citation: G. Psacharopoulos et al., ACHIEVEMENT EVALUATION OF COLOMBIA ESCUELA-NUEVA - IS MULTIGRADE THE ANSWER, Comparative education review, 37(3), 1993, pp. 263-276