01048cam a2200265 a 4500 1067876 BD-DhUL 20140828132157.0 880401s1982 aca 000 0 eng d 2901 eng 2901 ANL BD-DhUL anuc u-at-ac 510 DEO Morgan, Augustus De. Study and difficulties of mathematics / Augustus De. Morgan. Canberra , Chicago : A.C.T. Schools Authority [for the] A.C.T. Accrediting Agency, Open Court, c1982 . c1910 . vi, 288 p. : 30 cm. ill. ; Science Study and teaching [Secondary] Australian Capital Territory. Mathematics Study and teaching (Secondary) Australian Capital Territory. Languages, Modern Study and teaching (Secondary) Australian Capital Territory. A.C.T. Schools Authority (Australia) A.C.T. Schools Accrediting Agency (Australia) ddc BK ANL Npf 373.947 M847 6085 6085 0 0 ddc 0 510_000000000000000_DEO 0 NFIC 10556 DUSL DUSL GEN 2014-08-28 510 DEO 15154 2014-08-28 1 2014-08-28 BK