000 00333nam a2200133Ia 4500
008 180613s9999||||xx |||||||||||||| ||und||
041 _aen
082 _a301
100 _aHORTON,
245 0 _aprogrammed learning aid for introductory sociology
260 _aUSA.
_bRichard D. Irwin, US
_c1977
300 _a(xi),166p;
942 _cSR
999 _c80607
_d80607