00448nam a2200169Ia 4500001000700000003000400007008004500011010001100056020001800067041001100085100002600096245008800122260003500210300001100245650001400256082000800270003134LIB220712b1994        py ||||| |||| 00| 0 spa d  a003134  a0-669-19434-4  aIngles  aMckcachine, Wilbert J  aTeaching Tips: strategies, tesearch, and theory for college and university teachers  bD.C. Heath,aLexington :c1994  a444 p.  aEDUCACION  a370