???? ????? & ?????? ?????? <br/><br/>
????? ???? ?????????????????? .-978-93-82998-71-6 

 -  ?????? ???????, ?????, ?????  2017 
<br/><br/><label>ISBN: </label>978-93-82998-71-6 
<br/><br/><label>Dewey Class. No.: </label>J:(E5)   152P17/B28260