000 00290nam a2200097Ia 4500
008 180820s9999 xx 000 0 und d
050 _aC Fil. 372.83 G589t 1989
100 _aGonzales, Ma. Minerva A.
245 0 _aTeaching strategies in the social sciences for elementary grades
942 _cBK
999 _c56654
_d56654