000 00410nam a2200145 a 4500
003 AR-LpUBP
005 20240702161132.0
007 ta
008 090303s1922 xxu g 000 0 eng d
040 _aAR-LpUBP
_bspa
_cAR-LpUBP
245 1 0 _aComparative efectiveness of some visual aids in seventh grade instruction /
_cJoseph J. Weber.
260 _aChicago,
_c19221.
942 _cBK
999 _c343284
_d343284
988 _c76
_dMaría Victoria Somoza
_a76
_bMaría Victoria Somoza