Silberman, Mel ; Biech, Elaine <br/><br/>
Active training : a handbook of techniques, designs, case examples , and tips 

 - 4th. ed. 
 - Hoboken  Wiley  2015. 
 - xvi; 425 p. 
<br/><br/><label>ISBN: </label>9781118972014 
<br/><br/><label>Source: </label> 4097.00 PKR