2020-02-102020-02-102008https://edumedia-depot.gei.de/handle/11163/6333https://opac.lbs-braunschweig.gbv.de/DB=6/CLK?IKT=12&TRM=1689674563The Basic Education Core Curriculum: B.E. 2551 (A.D. 2008)Other1689674563