00510nam a2200157Ia 4500 16855 20261006004810.0 120911s9999 xx 000 0 und d 9780787964375 37139JON Jonassen,DavidH, 16791 Learning to solve problems: an instruction aldesign guide / David H Jonassen SanFrancisco,CA:Pfeiffer,c2004 xxiv,218p:ill;24cm Instructionalsystems--Design Problemsolving--Studyandteaching 16792 16855 16855 0 0 0 0 NU NU 2012-09-11 0 37139JON 15984 2012-09-11 00:00:00 2012-09-11 OS