Concentration! : how to focus for success

Main Author: Horn, Sam
Published: Los Altos, Calif.: Crisp Publications, c1991.
Series: The fifty-minutes series book
Subjects:
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050 0 0 |a BF637.S8 HOR 1991 
090 0 0 |a BF637.S8   |b H63 1991 
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245 1 0 |a Concentration! :   |b how to focus for success   |c Sam Horn. 
260 |a Los Altos, Calif.:   |b Crisp Publications,   |c c1991. 
300 |a iii, 92 p.:   |b ill.;   |c 26 cm. 
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650 0 0 |a Mental discipline  
650 0 0 |a Attention  
650 0 0 |a Success --   |x Psychological aspects  
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