00581nam a2200145Ia 450000500170000008000220001710000140003924500180005326000350007130000200010652002560012658300190038294200170040199900170041820260716043236.0 aLRC 05.03.01 H813 aHorn, Sam aConcentration bCrisp Pub.aMenlo ParkUSc1991 a[2], iii, 92 p. aDefines concentration and explains how the skill can be learned, and applied even to uninteresting tasks. Identifies barriers to, and benefits of concentration. Benefits include: improvement in confidence, listening ability, memory and study skills. c3/7/00kM2LMGR cMmH813kLRC c43205d43205