TY - BOOK AU - Starrett,Robert S. AU - Powers,Melvin TI - A practical guide to better concentration, AV - LB1065 .S76 U1 - 154.4 PY - 1962///] CY - Hollywood, Calif. PB - Wilshire Book Co. KW - Attention KW - Learning, Psychology of UR - http://www.archive.org/details/practicalguideto00star UR - http://www.openlibrary.org/books/OL5852365M ER -