G. Grosseck. Procedia - Social and Behavioral Sciences, 1 (1):
478 - 482(2009)World Conference on Educational Sciences, Nicosia, North Cyprus, 4-7 February 2009 - New Trends and Issues in Educational Sciences.
D. Moraal, B. Lorig, D. Schreiber, and U. Azeez. BIBB Report: Forschungs- und Arbeitsergebnisse aus dem Bundesinstitut für Berufsbildung, (Jan 26, 2009)
A. Sadik. Procedia - Social and Behavioral Sciences, 1 (1):
91 - 100(2009)World Conference on Educational Sciences: New Trends and Issues in Educational Sciences.
P. Kapustenko, S. Boldyryev, O. Arsenyeva, and G. Khavin. Journal of Cleaner Production, 17 (10):
951 - 958(2009)Early-Stage Energy Technologies for Sustainable Future: Assessment, Development, Application.
N. Desai, and S. Bandyopadhyay. Energy, 34 (10):
1674 - 1686(2009)11th Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction.