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˳:
.. : / .. , .. , .. ; . . .. dz. .: , 2010. 496 . .45-50
: ./.., .. , .. .; . .. ... - .:, 2008.-400 . .141-148
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˳:
.. : / .. , .. , .. ; . . .. dz. .: , 2010. 496 . .57-61
: ./.., .. , .. .; . .. ... - .:, 2008.-400 . .154-179
1. .
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15. :
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17. s-
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18. (+):
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19. (+):
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20. 0,85-0,9% :
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32. - :
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34. (5%) :
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35. :
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36. , :
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37. :
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38. :
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39. ::
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40. ::
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41. ::
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42. ::
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43. , ( )
-5-10
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44. ,
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45. 55% :
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