2021 (102) 2
				
					Published:
				
				
					2021-06-30
				
			
			
Views: 149  			
				
    DOI:
    https://doi.org/10.31489/2021ph2/6-13
	
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    DOI:
    https://doi.org/10.31489/2021ph2/14-24
	
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    DOI:
    https://doi.org/10.31489/2021ph2/25-32
	
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    DOI:
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    DOI:
    https://doi.org/10.31489/2021ph2/40-49
	
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    DOI:
    https://doi.org/10.31489/2021ph2/50-55
	
Views: 99  			
				
    DOI:
    https://doi.org/10.31489/2021ph2/56-67
	





Academician E.A.Buketov University of Karaganda