00438nam a2200121 a 450000500170000000800410001702000180005805000280007624501040010426000590020830000170026765000320028420140412111333.0040617s19uu    xx            00    eng d  a0-939007-04-5  aTR(GS 371.2bAw964 1987  aAwards for reinforcing positive behavior, primary, grades k-3 :bLee Canter's Assertive Discipline.  aSanta Monica, Ca :bCanter and Associates, Inc,c1987.  a31 p. ; ill.  aAwardsxJuvenile literature