Arturas Kaklauskas Edmundas Kazimieras Zavadskas Ruslanas Ditkevicius An Intelligent Tutoring System for Construction and Real Estate Management Master Degree Studies. 174-181 2006 conf/cdve/2006 CDVE http://dx.doi.org/10.1007/11863649_22 db/conf/cdve/cdve2006.html#KaklauskasZD06