00610nam a2200205Ia 4500 NORSU 20240326011714.0 240215s9999 xx 000 0 und d 0-201-44083-0 NORSU-Dum NORSU-Dum 372.7 L57 1997 Levy, Louis L. & Fritz, Edward A Problem Solving Approach to Mathematics : for Elementary School Teachers By Louis L. Levy & Edward Fritz Sixth Edition Addison-Wesley 1997 Massachusetts 153 pages, 28 cm. BK ddc ddc BK 0 0 ddc 0 0 NORSU-Dum NORSU-Dum CIRC 2024-02-15 44791 0 Circ. 372.7 L57 1997 NORSU000021991 2024-02-15 2024-02-15 BK 18601 18601